<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilities" xlink:href="car-20200331.xsd#AccountsPayableAndOtherCurrentLiabilities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilitiesDetails" xlink:href="car-20200331.xsd#AccountsPayableAndOtherCurrentLiabilitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilitiesTables" xlink:href="car-20200331.xsd#AccountsPayableAndOtherCurrentLiabilitiesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/AcquisitionsDetails" xlink:href="car-20200331.xsd#AcquisitionsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/AcquisitionsNotes" xlink:href="car-20200331.xsd#AcquisitionsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/AcquisitionsTables" xlink:href="car-20200331.xsd#AcquisitionsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationDetails" xlink:href="car-20200331.xsd#BasisOfPresentationBasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationNotes" xlink:href="car-20200331.xsd#BasisOfPresentationBasisOfPresentationNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationPolicies" xlink:href="car-20200331.xsd#BasisOfPresentationBasisOfPresentationPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationTables" xlink:href="car-20200331.xsd#BasisOfPresentationBasisOfPresentationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationDeferredRevenueRollforwardInBasisOfPresentationDetails" xlink:href="car-20200331.xsd#BasisOfPresentationDeferredRevenueRollforwardInBasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/BasisOfPresentationDisaggregatedRevenueInBasisOfPresentationDetails" xlink:href="car-20200331.xsd#BasisOfPresentationDisaggregatedRevenueInBasisOfPresentationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/CommitmentsAndContingencies" xlink:href="car-20200331.xsd#CommitmentsAndContingencies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/CommitmentsAndContingenciesNarrativeDetail" xlink:href="car-20200331.xsd#CommitmentsAndContingenciesNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/ConsolidatedCondensedBalanceSheets" xlink:href="car-20200331.xsd#ConsolidatedCondensedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/ConsolidatedCondensedBalanceSheetsParenthetical" xlink:href="car-20200331.xsd#ConsolidatedCondensedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/ConsolidatedCondensedStatementsOfCashFlows" xlink:href="car-20200331.xsd#ConsolidatedCondensedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/ConsolidatedCondensedStatementsOfComprehensiveIncomeUnaudited" xlink:href="car-20200331.xsd#ConsolidatedCondensedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/ConsolidatedCondensedStatementsOfStockholdersEquityStatement" xlink:href="car-20200331.xsd#ConsolidatedCondensedStatementsOfStockholdersEquityStatement" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangements" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsDebtUnderVehicleProgramsAndBorrowingArrangementsDetails" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangementsDebtUnderVehicleProgramsAndBorrowingArrangementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfAvailableFundingUnderVehicleProgramsDetail" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfAvailableFundingUnderVehicleProgramsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfContractualMaturitiesDetail" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfContractualMaturitiesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfDebtUnderVehicleProgramsDetail" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfDebtUnderVehicleProgramsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsTables" xlink:href="car-20200331.xsd#DebtUnderVehicleProgramsAndBorrowingArrangementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/DocumentAndEntityInformation" xlink:href="car-20200331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/EarningsPerShare" xlink:href="car-20200331.xsd#EarningsPerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/EarningsPerShareComputationOfBasicAndDilutedEarningsPerShareDetail" xlink:href="car-20200331.xsd#EarningsPerShareComputationOfBasicAndDilutedEarningsPerShareDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/EarningsPerShareEarningsPerShareDetails" xlink:href="car-20200331.xsd#EarningsPerShareEarningsPerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/EarningsPerShareTables" xlink:href="car-20200331.xsd#EarningsPerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstruments" xlink:href="car-20200331.xsd#FinancialInstruments" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsFairValuesOfDerivativesInstrumentsDetail" xlink:href="car-20200331.xsd#FinancialInstrumentsFairValuesOfDerivativesInstrumentsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsNarrativeDetail" xlink:href="car-20200331.xsd#FinancialInstrumentsNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsScheduleOfCarryingAmountsAndEstimatedFairValuesDetail" xlink:href="car-20200331.xsd#FinancialInstrumentsScheduleOfCarryingAmountsAndEstimatedFairValuesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsScheduleOfEffectOfDerivativesRecognizedDetail" xlink:href="car-20200331.xsd#FinancialInstrumentsScheduleOfEffectOfDerivativesRecognizedDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsTables" xlink:href="car-20200331.xsd#FinancialInstrumentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IncomeTaxes" xlink:href="car-20200331.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IncomeTaxesIncomeTaxesNarrativeDetails" xlink:href="car-20200331.xsd#IncomeTaxesIncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IntangibleAssets" xlink:href="car-20200331.xsd#IntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IntangibleAssetsNarrativeDetail" xlink:href="car-20200331.xsd#IntangibleAssetsNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IntangibleAssetsScheduleOfIntangibleAssetsDetail" xlink:href="car-20200331.xsd#IntangibleAssetsScheduleOfIntangibleAssetsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/IntangibleAssetsTables" xlink:href="car-20200331.xsd#IntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LeasesLesseeDetails" xlink:href="car-20200331.xsd#LeasesLesseeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LeasesLessorDetails" xlink:href="car-20200331.xsd#LeasesLessorDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LeasesNotes" xlink:href="car-20200331.xsd#LeasesNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LeasesPolicies" xlink:href="car-20200331.xsd#LeasesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LeasesTables" xlink:href="car-20200331.xsd#LeasesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangements" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsNarrativeDetail" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetail" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetailSection" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetailSection" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetail" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetailSection" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetailSection" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsTables" xlink:href="car-20200331.xsd#LongTermDebtAndBorrowingArrangementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/OtherCurrentAssets" xlink:href="car-20200331.xsd#OtherCurrentAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/OtherCurrentAssetsDetails" xlink:href="car-20200331.xsd#OtherCurrentAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/OtherCurrentAssetsTables" xlink:href="car-20200331.xsd#OtherCurrentAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/Restructuring" xlink:href="car-20200331.xsd#Restructuring" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringNarrativeDetail" xlink:href="car-20200331.xsd#RestructuringNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringOtherRelatedChargesDetails" xlink:href="car-20200331.xsd#RestructuringOtherRelatedChargesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringSummaryOfChangesToRestructuringRelatedLiabilitiesDetail" xlink:href="car-20200331.xsd#RestructuringSummaryOfChangesToRestructuringRelatedLiabilitiesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringTables" xlink:href="car-20200331.xsd#RestructuringTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformation" xlink:href="car-20200331.xsd#SegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformationNarrativeDetail" xlink:href="car-20200331.xsd#SegmentInformationNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformationSummaryOfSegmentsInformationDetail" xlink:href="car-20200331.xsd#SegmentInformationSummaryOfSegmentsInformationDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformationTables" xlink:href="car-20200331.xsd#SegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensation" xlink:href="car-20200331.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationNarrativeDetail" xlink:href="car-20200331.xsd#StockBasedCompensationNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationStockBasedCompensationActivityDetail" xlink:href="car-20200331.xsd#StockBasedCompensationStockBasedCompensationActivityDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationSummaryOfShareBasedPaymentOtherThanOptionsValuationAssumptionsDetail" xlink:href="car-20200331.xsd#StockBasedCompensationSummaryOfShareBasedPaymentOtherThanOptionsValuationAssumptionsDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationTables" xlink:href="car-20200331.xsd#StockBasedCompensationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquity" xlink:href="car-20200331.xsd#StockholdersEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquityAccumulatedOtherComprehensiveIncomeDetail" xlink:href="car-20200331.xsd#StockholdersEquityAccumulatedOtherComprehensiveIncomeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquityComponentsOfOtherComprehensiveIncomeDetail" xlink:href="car-20200331.xsd#StockholdersEquityComponentsOfOtherComprehensiveIncomeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquityNarrativeDetail" xlink:href="car-20200331.xsd#StockholdersEquityNarrativeDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquityTables" xlink:href="car-20200331.xsd#StockholdersEquityTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SubsequentEvents" xlink:href="car-20200331.xsd#SubsequentEvents" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SubsequentEventsDetails" xlink:href="car-20200331.xsd#SubsequentEventsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/SubsequentEventsTables" xlink:href="car-20200331.xsd#SubsequentEventsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/VehicleRentalActivities" xlink:href="car-20200331.xsd#VehicleRentalActivities" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/VehicleRentalActivitiesComponentsOfCompanysVehiclesDetail" xlink:href="car-20200331.xsd#VehicleRentalActivitiesComponentsOfCompanysVehiclesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/VehicleRentalActivitiesComponentsOfVehicleDepreciationAndLeaseChargesDetail" xlink:href="car-20200331.xsd#VehicleRentalActivitiesComponentsOfVehicleDepreciationAndLeaseChargesDetail" xlink:type="simple" />
  <link:roleRef roleURI="http://www.avis.com/role/VehicleRentalActivitiesTables" xlink:href="car-20200331.xsd#VehicleRentalActivitiesTables" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilities" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilitiesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/AccountsPayableAndOtherCurrentLiabilitiesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/AcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B6EA9934F1BD8808E07BC737B3DC7A90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B6EA9934F1BD8808E07BC737B3DC7A90" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DC0F68E4F810E6366FBCC737B3DC5E8B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B6EA9934F1BD8808E07BC737B3DC7A90" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DC0F68E4F810E6366FBCC737B3DC5E8B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69FA2781814959DF0AC6C737B3DC4358_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DC0F68E4F810E6366FBCC737B3DC5E8B" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69FA2781814959DF0AC6C737B3DC4358_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69FA2781814959DF0AC6C737B3DC4358" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_DC0F68E4F810E6366FBCC737B3DC5E8B" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69FA2781814959DF0AC6C737B3DC4358" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LicensingAgreementsMember" xlink:label="loc_us-gaap_LicensingAgreementsMember_4D078200C0724DDA9E03C737B3DC2DF6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_69FA2781814959DF0AC6C737B3DC4358" xlink:to="loc_us-gaap_LicensingAgreementsMember_4D078200C0724DDA9E03C737B3DC2DF6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_EDA3EDC7AEBB7F899539C737B3DC0CB3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_B6EA9934F1BD8808E07BC737B3DC7A90" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_EDA3EDC7AEBB7F899539C737B3DC0CB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4776130ADC39D91B6FE5C737B3DCE9CE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_EDA3EDC7AEBB7F899539C737B3DC0CB3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4776130ADC39D91B6FE5C737B3DCE9CE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4776130ADC39D91B6FE5C737B3DCE9CE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_EDA3EDC7AEBB7F899539C737B3DC0CB3" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4776130ADC39D91B6FE5C737B3DCE9CE" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_A2020AvisandBudgetLicenseesMember" xlink:label="loc_car_A2020AvisandBudgetLicenseesMember_1506014422F62277AEBEC775BAB3A585" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_4776130ADC39D91B6FE5C737B3DCE9CE" xlink:to="loc_car_A2020AvisandBudgetLicenseesMember_1506014422F62277AEBEC775BAB3A585" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredOther1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_AF78337E24E4258DDC30C737B3DC3615" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredOther1_AF78337E24E4258DDC30C737B3DC3615" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BusinessAcquisitionPurchasePriceAllocationVehiclesNet" xlink:label="loc_car_BusinessAcquisitionPurchasePriceAllocationVehiclesNet_9D4C8A698FFC2E4151C9C737B3DC1B25" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:to="loc_car_BusinessAcquisitionPurchasePriceAllocationVehiclesNet_9D4C8A698FFC2E4151C9C737B3DC1B25" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_91E74674452E1764BA7BC737B3DCB5D0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_91E74674452E1764BA7BC737B3DCB5D0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_797853144906242F009BC737B3DC035F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4D04C371F45BF31B0357C737B3DC3CC8" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_797853144906242F009BC737B3DC035F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/AcquisitionsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/AcquisitionsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationDetails" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsTable" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandAxis" xlink:label="loc_car_BrandAxis_A99EF0E1B78BD6C92410CC5598339B41" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:to="loc_car_BrandAxis_A99EF0E1B78BD6C92410CC5598339B41" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_BrandAxis_A99EF0E1B78BD6C92410CC5598339B41" xlink:to="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_BrandAxis_A99EF0E1B78BD6C92410CC5598339B41" xlink:to="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AvisMember" xlink:label="loc_car_AvisMember_3BA13B7F7621403A1832CC559833412F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017" xlink:to="loc_car_AvisMember_3BA13B7F7621403A1832CC559833412F" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BudgetMember" xlink:label="loc_car_BudgetMember_5A3B713B9E1F1E4B67B9CC559833F6A0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017" xlink:to="loc_car_BudgetMember_5A3B713B9E1F1E4B67B9CC559833F6A0" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherBrandsMember" xlink:label="loc_car_OtherBrandsMember_087679B1167FA52AF13CCC559833F8C6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_3DD96A49A88AD909B957CC5598332017" xlink:to="loc_car_OtherBrandsMember_087679B1167FA52AF13CCC559833F8C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionAxis" xlink:label="loc_us-gaap_GeographicDistributionAxis_F4F8A8F6F5FD58F472FECC559833E97C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:to="loc_us-gaap_GeographicDistributionAxis_F4F8A8F6F5FD58F472FECC559833E97C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_F4F8A8F6F5FD58F472FECC559833E97C" xlink:to="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_F4F8A8F6F5FD58F472FECC559833E97C" xlink:to="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_3F92D42AD95CE1B3D253CC55983379E0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E" xlink:to="loc_srt_AmericasMember_3F92D42AD95CE1B3D253CC55983379E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_30458EDAEE2F3F4CE592CC559833E805" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E" xlink:to="loc_us-gaap_EMEAMember_30458EDAEE2F3F4CE592CC559833E805" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AsiaandAustralasiaMember" xlink:label="loc_car_AsiaandAustralasiaMember_DCE78BDFE3C82FF23907CC5598339140" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_3A1C5355479227DEDE25CC559833401E" xlink:to="loc_car_AsiaandAustralasiaMember_DCE78BDFE3C82FF23907CC5598339140" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_BF5817E08E70C34F62FBCC559833C2DB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_BF5817E08E70C34F62FBCC559833C2DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_6CAB2B9267F66B921001CC559833A09C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_BF5817E08E70C34F62FBCC559833C2DB" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_6CAB2B9267F66B921001CC559833A09C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_6CAB2B9267F66B921001CC559833A09C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_BF5817E08E70C34F62FBCC559833C2DB" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_6CAB2B9267F66B921001CC559833A09C" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_PropertyleasesMember" xlink:label="loc_car_PropertyleasesMember_566DC2F240C6C9709A70CC559833A2B2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6CAB2B9267F66B921001CC559833A09C" xlink:to="loc_car_PropertyleasesMember_566DC2F240C6C9709A70CC559833A2B2" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_54B1861FAC4C619970BECC559833B1A4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsTable_1F6EB5E10F3B84E17EC7CC5598337F7B" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_54B1861FAC4C619970BECC559833B1A4" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D5488C665AC6DEAB7CECC5598332DB1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_54B1861FAC4C619970BECC559833B1A4" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D5488C665AC6DEAB7CECC5598332DB1_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D5488C665AC6DEAB7CECC5598332DB1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_54B1861FAC4C619970BECC559833B1A4" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D5488C665AC6DEAB7CECC5598332DB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_1339399CECF1493C63CCCC5598436E1B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_1339399CECF1493C63CCCC5598436E1B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_CC07E80D1C240AE0B4C6CC5598437EBA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:to="loc_us-gaap_Revenues_CC07E80D1C240AE0B4C6CC5598437EBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_C0B87BD192801BD29059CC559843865C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_C0B87BD192801BD29059CC559843865C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7E339EDC5E296EC50613CC559843480F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsLineItems_B001E69929EE561AB8D3CC5598436E3B" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_7E339EDC5E296EC50613CC559843480F" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationBasisOfPresentationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationDeferredRevenueRollforwardInBasisOfPresentationDetails" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_DeferredRevenueRollforwardLineItems" xlink:label="loc_car_DeferredRevenueRollforwardLineItems_69B0A29D0306CAEEAFA1CC55402FB4F4" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_DeferredRevenueRollforwardTable" xlink:label="loc_car_DeferredRevenueRollforwardTable_5D1F38DC144DA4DEF9E7CC55402FA18B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_DeferredRevenueRollforwardLineItems_69B0A29D0306CAEEAFA1CC55402FB4F4" xlink:to="loc_car_DeferredRevenueRollforwardTable_5D1F38DC144DA4DEF9E7CC55402FA18B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeAxis" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeAxis_0519F4E7DFE859D79B6ECC55402FBD87" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DeferredRevenueRollforwardTable_5D1F38DC144DA4DEF9E7CC55402FA18B" xlink:to="loc_us-gaap_DeferredRevenueArrangementTypeAxis_0519F4E7DFE859D79B6ECC55402FBD87" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeDomain" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeDomain_B6E88C9F134D92BF0FC8CC55402F49D9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DeferredRevenueArrangementTypeAxis_0519F4E7DFE859D79B6ECC55402FBD87" xlink:to="loc_us-gaap_DeferredRevenueArrangementTypeDomain_B6E88C9F134D92BF0FC8CC55402F49D9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeDomain" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeDomain_B6E88C9F134D92BF0FC8CC55402F49D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DeferredRevenueArrangementTypeAxis_0519F4E7DFE859D79B6ECC55402FBD87" xlink:to="loc_us-gaap_DeferredRevenueArrangementTypeDomain_B6E88C9F134D92BF0FC8CC55402F49D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_5A7943CADEF8AB3C2458CC55402FCC49" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DeferredRevenueRollforwardTable_5D1F38DC144DA4DEF9E7CC55402FA18B" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_5A7943CADEF8AB3C2458CC55402FCC49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_ED0C152E578F74DB384ACC55402FFF5C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_5A7943CADEF8AB3C2458CC55402FCC49" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_ED0C152E578F74DB384ACC55402FFF5C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_ED0C152E578F74DB384ACC55402FFF5C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_5A7943CADEF8AB3C2458CC55402FCC49" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_ED0C152E578F74DB384ACC55402FFF5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_81542D19B8598016256ACC55402F6592" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_ED0C152E578F74DB384ACC55402FFF5C" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesMember_81542D19B8598016256ACC55402F6592" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_ECC3FA93C5DFEBFC77A8CC55402F3592" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DeferredRevenueRollforwardLineItems_69B0A29D0306CAEEAFA1CC55402FB4F4" xlink:to="loc_us-gaap_DeferredRevenue_ECC3FA93C5DFEBFC77A8CC55402F3592" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisOfPresentationDisaggregatedRevenueInBasisOfPresentationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_24C176F9B9A25949BEFC01A99EB7E713" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_87ACB4E627C15233B435DCB789C76E67" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_24C176F9B9A25949BEFC01A99EB7E713" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_87ACB4E627C15233B435DCB789C76E67" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandAxis" xlink:label="loc_car_BrandAxis_7044A1B6E065521DB9BC31A96B10A5BC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_87ACB4E627C15233B435DCB789C76E67" xlink:to="loc_car_BrandAxis_7044A1B6E065521DB9BC31A96B10A5BC" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_35CDBCD1B4E80D6C07214E2FFB17CF8A_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_BrandAxis_7044A1B6E065521DB9BC31A96B10A5BC" xlink:to="loc_car_BrandDomain_35CDBCD1B4E80D6C07214E2FFB17CF8A_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_442826AE3C2F57039A3E4E329C3E601C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_BrandAxis_7044A1B6E065521DB9BC31A96B10A5BC" xlink:to="loc_car_BrandDomain_442826AE3C2F57039A3E4E329C3E601C" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AvisMember" xlink:label="loc_car_AvisMember_76493AEFD8085E738594B5E3BD325839" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_442826AE3C2F57039A3E4E329C3E601C" xlink:to="loc_car_AvisMember_76493AEFD8085E738594B5E3BD325839" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BudgetMember" xlink:label="loc_car_BudgetMember_A986194974975AE69CC424538B2CB1C0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_442826AE3C2F57039A3E4E329C3E601C" xlink:to="loc_car_BudgetMember_A986194974975AE69CC424538B2CB1C0" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherBrandsMember" xlink:label="loc_car_OtherBrandsMember_FE5D67C547D15BCBB61D290B259B638D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_442826AE3C2F57039A3E4E329C3E601C" xlink:to="loc_car_OtherBrandsMember_FE5D67C547D15BCBB61D290B259B638D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionAxis" xlink:label="loc_us-gaap_GeographicDistributionAxis_0CC0053741505C4A997F21D295F9B736" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_87ACB4E627C15233B435DCB789C76E67" xlink:to="loc_us-gaap_GeographicDistributionAxis_0CC0053741505C4A997F21D295F9B736" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_D3C56B2A1FF21D9708EF4E2FFB17D5B3_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_0CC0053741505C4A997F21D295F9B736" xlink:to="loc_us-gaap_GeographicDistributionDomain_D3C56B2A1FF21D9708EF4E2FFB17D5B3_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_9FB6C3FC41D95490A24D512C5D46BB9F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_0CC0053741505C4A997F21D295F9B736" xlink:to="loc_us-gaap_GeographicDistributionDomain_9FB6C3FC41D95490A24D512C5D46BB9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_F219BC50F06F5C7BA06FCD30569E8745" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_9FB6C3FC41D95490A24D512C5D46BB9F" xlink:to="loc_srt_AmericasMember_F219BC50F06F5C7BA06FCD30569E8745" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_6BA4B22291B15FD9B8F471672E27A4C0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_9FB6C3FC41D95490A24D512C5D46BB9F" xlink:to="loc_us-gaap_EMEAMember_6BA4B22291B15FD9B8F471672E27A4C0" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AsiaandAustralasiaMember" xlink:label="loc_car_AsiaandAustralasiaMember_A98628FF1AE25DC896BFBD463082994D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_9FB6C3FC41D95490A24D512C5D46BB9F" xlink:to="loc_car_AsiaandAustralasiaMember_A98628FF1AE25DC896BFBD463082994D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherrelatedRevenue" xlink:label="loc_car_OtherrelatedRevenue_D343CEDAC0EC5F2C96FAAD6954C10FD2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_24C176F9B9A25949BEFC01A99EB7E713" xlink:to="loc_car_OtherrelatedRevenue_D343CEDAC0EC5F2C96FAAD6954C10FD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_8B663873A4AE5D8398FF0C160D9F2D79" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_24C176F9B9A25949BEFC01A99EB7E713" xlink:to="loc_us-gaap_Revenues_8B663873A4AE5D8398FF0C160D9F2D79" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/CommitmentsAndContingencies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/CommitmentsAndContingenciesNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_CommitmentsAndContingenciesLineItems" xlink:label="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_ScheduleOfCommitmentsAndContingenciesTable" xlink:label="loc_car_ScheduleOfCommitmentsAndContingenciesTable_41C47483C9B535DCC36AC8AB69150808" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:to="loc_car_ScheduleOfCommitmentsAndContingenciesTable_41C47483C9B535DCC36AC8AB69150808" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_9FB4A5A7DBA55E64B979C8AB6915CF26" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_ScheduleOfCommitmentsAndContingenciesTable_41C47483C9B535DCC36AC8AB69150808" xlink:to="loc_dei_LegalEntityAxis_9FB4A5A7DBA55E64B979C8AB6915CF26" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_9FB4A5A7DBA55E64B979C8AB6915CF26" xlink:to="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9_default" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_9FB4A5A7DBA55E64B979C8AB6915CF26" xlink:to="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_RealogyCorporationMember" xlink:label="loc_car_RealogyCorporationMember_BC6FC404348BD18FB9FAC8AB69158CF4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9" xlink:to="loc_car_RealogyCorporationMember_BC6FC404348BD18FB9FAC8AB69158CF4" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_WyndhamWorldwideCorporationMember" xlink:label="loc_car_WyndhamWorldwideCorporationMember_0DF95504EA893403E6A9C8AB691655B4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_83F9F402D2F61DA034B5C8AB6915C9D9" xlink:to="loc_car_WyndhamWorldwideCorporationMember_0DF95504EA893403E6A9C8AB691655B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyAccrualAtCarryingValue" xlink:label="loc_us-gaap_LossContingencyAccrualAtCarryingValue_C0847E17615A5C2F3A25C8CF4C22337D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:to="loc_us-gaap_LossContingencyAccrualAtCarryingValue_C0847E17615A5C2F3A25C8CF4C22337D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_07EC6BB7DF200E4A60E5C8AB6916C280" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_07EC6BB7DF200E4A60E5C8AB6916C280" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear_BE2D0FF6334056B7DB46C8AB6917B1B5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear_BE2D0FF6334056B7DB46C8AB6917B1B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_FD10D0FD6653535DA423C8AB69171D38" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_CommitmentsAndContingenciesLineItems_E501AA912870A43C260DC8AB69165C61" xlink:to="loc_us-gaap_OtherReceivables_FD10D0FD6653535DA423C8AB69171D38" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/ConsolidatedCondensedBalanceSheets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/ConsolidatedCondensedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/ConsolidatedCondensedStatementsOfCashFlows" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/ConsolidatedCondensedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/ConsolidatedCondensedStatementsOfStockholdersEquityStatement" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityLineItems" xlink:label="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityTable" xlink:label="loc_car_StockholdersEquityTable_1E45F107F0A40CF70A7BCC66AD57F01D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_car_StockholdersEquityTable_1E45F107F0A40CF70A7BCC66AD57F01D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_71818031A692938EDDB1CC66AD660667" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_StockholdersEquityTable_1E45F107F0A40CF70A7BCC66AD57F01D" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_71818031A692938EDDB1CC66AD660667" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_71818031A692938EDDB1CC66AD660667" xlink:to="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_71818031A692938EDDB1CC66AD660667" xlink:to="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_EC1C3FC88D03090CB02DCC66AD66CDA7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:to="loc_us-gaap_CommonStockMember_EC1C3FC88D03090CB02DCC66AD66CDA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_9B2F791BCA4E0591831ACC66AD66E5DA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_9B2F791BCA4E0591831ACC66AD66E5DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_42B16A8E4D22E8FC98C8CC66AD666AD2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:to="loc_us-gaap_RetainedEarningsMember_42B16A8E4D22E8FC98C8CC66AD666AD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_EF044283F6834518911FCC66AD667B64" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_EF044283F6834518911FCC66AD667B64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_A849E037ADD6DF91C55BCC66AD6674BE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A523D5E3A0F03B0469D3CC66AD66D34E" xlink:to="loc_us-gaap_TreasuryStockMember_A849E037ADD6DF91C55BCC66AD6674BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_CE23D6B866A0EEE21C09CC66AD66DF28" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_CE23D6B866A0EEE21C09CC66AD66DF28" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_320D3E4F1E66B75692C3CC66AD6614A7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_NetIncomeLoss_320D3E4F1E66B75692C3CC66AD6614A7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_56C56D9DD6D8E9DA72FCCC66AD66BD1A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_56C56D9DD6D8E9DA72FCCC66AD66BD1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_7E7E9FD8002CEF0CB90ACC66AD6683AB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_7E7E9FD8002CEF0CB90ACC66AD6683AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_F05B1328279B99A05B19CC66AD66CDC8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued_F05B1328279B99A05B19CC66AD66CDC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_A57058D2748064DB97A4CC66AD661D6A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued_A57058D2748064DB97A4CC66AD661D6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B6984EB0D61C1CAC330FCC66AD668F3A" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_B6984EB0D61C1CAC330FCC66AD668F3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_15BEBD32DCF637A23838CC66AD66327F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_15BEBD32DCF637A23838CC66AD66327F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_EAE0DB265C8FADE68A00CC66AD66DE52" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_EAE0DB265C8FADE68A00CC66AD66DE52" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_310E51CE1E3B0195F255CC66AD66F70D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_310E51CE1E3B0195F255CC66AD66F70D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_F4E05CCC676D58063223CC66AD661C43" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_F4E05CCC676D58063223CC66AD661C43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_92CC206020C275F72273CC66AD66141C" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_SharesIssued_92CC206020C275F72273CC66AD66141C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F104B397A36ED268CFEACC66AD664E67" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F104B397A36ED268CFEACC66AD664E67" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_3713655AC6F4DC685E4BCC66AD66D475" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_2D6611BFCB569C60E90ACC66AD66DBCA" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_3713655AC6F4DC685E4BCC66AD66D475" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsDebtUnderVehicleProgramsAndBorrowingArrangementsDetails" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_5638457E02A42809C6ADCC51DC2642E2" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_9A3CC13A65E5FA0BDA3DCC51DC1FE222" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_5638457E02A42809C6ADCC51DC2642E2" xlink:to="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_9A3CC13A65E5FA0BDA3DCC51DC1FE222" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_03379DF3273B72CEB32CCC51DC1F6FF1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_9A3CC13A65E5FA0BDA3DCC51DC1FE222" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_03379DF3273B72CEB32CCC51DC1F6FF1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_03379DF3273B72CEB32CCC51DC1F6FF1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_03379DF3273B72CEB32CCC51DC1F6FF1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtDueToRentalCarFundingMember" xlink:label="loc_car_DebtDueToRentalCarFundingMember_EBE2569AC88F68A19AE7CC51DC242D92" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697" xlink:to="loc_car_DebtDueToRentalCarFundingMember_EBE2569AC88F68A19AE7CC51DC242D92" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AvisBudgetRentalCarFundingProgramMarch2022Member" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramMarch2022Member_94C73E741556154AB914CC51DC25042A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8A069B38674F7A28E19DCC51DC1F9697" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramMarch2022Member_94C73E741556154AB914CC51DC25042A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetBackedSecuritiesAtCarryingValue" xlink:label="loc_us-gaap_AssetBackedSecuritiesAtCarryingValue_1030BFB04534551B1D7ACC51DC268C7B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_5638457E02A42809C6ADCC51DC2642E2" xlink:to="loc_us-gaap_AssetBackedSecuritiesAtCarryingValue_1030BFB04534551B1D7ACC51DC268C7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_2D323054C4DD35CFB0E0CC51DC26A19D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_5638457E02A42809C6ADCC51DC2642E2" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_2D323054C4DD35CFB0E0CC51DC26A19D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfAvailableFundingUnderVehicleProgramsDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_72D4DEAD71D215CB00FDCC70D30EAEB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:to="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_72D4DEAD71D215CB00FDCC70D30EAEB6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_3905B3C9A9BBFA534029CC70D30ECAEC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_72D4DEAD71D215CB00FDCC70D30EAEB6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_3905B3C9A9BBFA534029CC70D30ECAEC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3905B3C9A9BBFA534029CC70D30ECAEC" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3905B3C9A9BBFA534029CC70D30ECAEC" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtDueToRentalCarFundingMember" xlink:label="loc_car_DebtDueToRentalCarFundingMember_3C0888B4AC4617A6C4D9CC70D30E1A9C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_car_DebtDueToRentalCarFundingMember_3C0888B4AC4617A6C4D9CC70D30E1A9C" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AmericasDebtBorrowingsMember" xlink:label="loc_car_AmericasDebtBorrowingsMember_71F9C3E03308CDA6D352CC70D30E35BD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_car_AmericasDebtBorrowingsMember_71F9C3E03308CDA6D352CC70D30E35BD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalDebtBorrowingsDomain" xlink:label="loc_car_InternationalDebtBorrowingsDomain_54763B03688BFB7EDA0FCC70D30EBA21" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_car_InternationalDebtBorrowingsDomain_54763B03688BFB7EDA0FCC70D30EBA21" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalCapitalLeasesDomain" xlink:label="loc_car_InternationalCapitalLeasesDomain_1449D612920AE10AFBAACC70D30E7D37" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_car_InternationalCapitalLeasesDomain_1449D612920AE10AFBAACC70D30E7D37" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherDebtUnderVehicleProgramMember" xlink:label="loc_car_OtherDebtUnderVehicleProgramMember_212C36674F5D61A8B92FCC70D30EACC0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_car_OtherDebtUnderVehicleProgramMember_212C36674F5D61A8B92FCC70D30EACC0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherDebtSecuritiesMember" xlink:label="loc_us-gaap_OtherDebtSecuritiesMember_5CC291DBAB802EF08B84CC9E70909E99" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_9B465D93CA6A0B097E19CC70D30EA4A9" xlink:to="loc_us-gaap_OtherDebtSecuritiesMember_5CC291DBAB802EF08B84CC9E70909E99" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramDebtTotalCapacity" xlink:label="loc_car_VehicleProgramDebtTotalCapacity_C62E4E1B552FF9010E8ACC70D30E7633" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:to="loc_car_VehicleProgramDebtTotalCapacity_C62E4E1B552FF9010E8ACC70D30E7633" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramDebtAmountOutstanding" xlink:label="loc_car_VehicleProgramDebtAmountOutstanding_3DFEA0930ACD60471CCBCC70D30E5952" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:to="loc_car_VehicleProgramDebtAmountOutstanding_3DFEA0930ACD60471CCBCC70D30E5952" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramDebtAvailableCapacity" xlink:label="loc_car_VehicleProgramDebtAvailableCapacity_8909838359042F351BD0CC70D30E9770" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:to="loc_car_VehicleProgramDebtAvailableCapacity_8909838359042F351BD0CC70D30E9770" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt" xlink:label="loc_car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt_9F5510FF636EAD940010CC70D30E585A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_A262832D27222AEDFB48CC70D30EB90E" xlink:to="loc_car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt_9F5510FF636EAD940010CC70D30E585A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfContractualMaturitiesDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_58170676BCFC5634A6569AAEBD6C9AC0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_58170676BCFC5634A6569AAEBD6C9AC0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleRepurchaseAndGuaranteedDepreciationProgramsAxis" xlink:label="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsAxis_9CFB739872615BD38E1C7B5B12BE5B91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_58170676BCFC5634A6569AAEBD6C9AC0" xlink:to="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsAxis_9CFB739872615BD38E1C7B5B12BE5B91" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain" xlink:label="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain_41E261119711AE2B2252F9B4D0EE130E_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsAxis_9CFB739872615BD38E1C7B5B12BE5B91" xlink:to="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain_41E261119711AE2B2252F9B4D0EE130E_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain" xlink:label="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain_1E803B25967D50648E4E6B23C24794DD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsAxis_9CFB739872615BD38E1C7B5B12BE5B91" xlink:to="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain_1E803B25967D50648E4E6B23C24794DD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramsMember" xlink:label="loc_car_VehicleProgramsMember_9FC08B645816587E93F3CF85FEC768E9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_VehicleRepurchaseAndGuaranteedDepreciationProgramsDomain_1E803B25967D50648E4E6B23C24794DD" xlink:to="loc_car_VehicleProgramsMember_9FC08B645816587E93F3CF85FEC768E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansPayableToBank" xlink:label="loc_us-gaap_LoansPayableToBank_87BA338FE1FF583B8B8786A8D8FC008E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LoansPayableToBank_87BA338FE1FF583B8B8786A8D8FC008E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_9EA28CB4A89B50F982E6192B436EB738" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_9EA28CB4A89B50F982E6192B436EB738" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_B29CCA5448295486AE29F7B87C3E5335" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_B29CCA5448295486AE29F7B87C3E5335" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_DF3595459A3C5C96A67142AA9409ED63" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_DF3595459A3C5C96A67142AA9409ED63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_A5165910FEFA528991FD4D0AA8616015" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_A5165910FEFA528991FD4D0AA8616015" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_96EAE643B843591DB651122851D3C724" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_96EAE643B843591DB651122851D3C724" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_31A081318A55579CB59BC795822AEADA" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_31A081318A55579CB59BC795822AEADA" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramDebtAmountOutstanding" xlink:label="loc_car_VehicleProgramDebtAmountOutstanding_7EC8441B79D052829E8F998542440C1B" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_C68BE21CD4A658BDA0E395DC96C50DE6" xlink:to="loc_car_VehicleProgramDebtAmountOutstanding_7EC8441B79D052829E8F998542440C1B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsScheduleOfDebtUnderVehicleProgramsDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_3C49508DD26307DCAAC3C8E1E4353B58" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable" xlink:label="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_3920EC21D1399D1612E9C8E1E435647C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_3C49508DD26307DCAAC3C8E1E4353B58" xlink:to="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_3920EC21D1399D1612E9C8E1E435647C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_C04510779BC517BACC2CC8E1E435217E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsTable_3920EC21D1399D1612E9C8E1E435647C" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_C04510779BC517BACC2CC8E1E435217E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C04510779BC517BACC2CC8E1E435217E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C04510779BC517BACC2CC8E1E435217E" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AvisBudgetRentalCarFundingProgramMarch2022Member" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramMarch2022Member_A8F6B07E1855E1A42C5BC8E1E435FBAE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramMarch2022Member_A8F6B07E1855E1A42C5BC8E1E435FBAE" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtDueToRentalCarFundingMember" xlink:label="loc_car_DebtDueToRentalCarFundingMember_CBD787B8A00E79C27F52C8E1E4351E79" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_DebtDueToRentalCarFundingMember_CBD787B8A00E79C27F52C8E1E4351E79" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AmericasDebtBorrowingsMember" xlink:label="loc_car_AmericasDebtBorrowingsMember_EC6D26B70DDE95CF5F42C8E1E43534C5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_AmericasDebtBorrowingsMember_EC6D26B70DDE95CF5F42C8E1E43534C5" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalDebtBorrowingsDomain" xlink:label="loc_car_InternationalDebtBorrowingsDomain_56035101D82F76F882C6C8E1E43531D8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_InternationalDebtBorrowingsDomain_56035101D82F76F882C6C8E1E43531D8" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalCapitalLeasesDomain" xlink:label="loc_car_InternationalCapitalLeasesDomain_5C12527F805BAE6BFCDCC8E1E435EB28" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_InternationalCapitalLeasesDomain_5C12527F805BAE6BFCDCC8E1E435EB28" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherDebtUnderVehicleProgramMember" xlink:label="loc_car_OtherDebtUnderVehicleProgramMember_419D84E416C18A2515D8C8E1E435618E" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_OtherDebtUnderVehicleProgramMember_419D84E416C18A2515D8C8E1E435618E" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsMember" xlink:label="loc_car_DebtUnderVehicleProgramsMember_19C58248A38C48799D49C8E1E4350038" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_0FA8F05A3C6367032AADC8E1E435FD15" xlink:to="loc_car_DebtUnderVehicleProgramsMember_19C58248A38C48799D49C8E1E4350038" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt" xlink:label="loc_car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt_DA60FEE6BFBAD56247B2C8E1E4359DEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_3C49508DD26307DCAAC3C8E1E4353B58" xlink:to="loc_car_LeasingVehiclesAndRelatedAssetsPledgedAsCollateralizedDebt_DA60FEE6BFBAD56247B2C8E1E4359DEF" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleProgramOutstandingDebt" xlink:label="loc_car_VehicleProgramOutstandingDebt_F1AE089E723D5176500FC8E1E435F26F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_3C49508DD26307DCAAC3C8E1E4353B58" xlink:to="loc_car_VehicleProgramOutstandingDebt_F1AE089E723D5176500FC8E1E435F26F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_EC210363BBC977B8B850C8E1E4353039" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_DebtUnderVehicleProgramsAndBorrowingArrangementsLineItems_3C49508DD26307DCAAC3C8E1E4353B58" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_EC210363BBC977B8B850C8E1E4353039" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsAndBorrowingArrangementsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/EarningsPerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/EarningsPerShareComputationOfBasicAndDilutedEarningsPerShareDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_303A3C7B4444038DC82ACC66322935AF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_130F3C60715D6FC83F5DCC6632298587" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_303A3C7B4444038DC82ACC66322935AF" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_130F3C60715D6FC83F5DCC6632298587" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2D309F4D8593116D52E4CC6632299529" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_130F3C60715D6FC83F5DCC6632298587" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2D309F4D8593116D52E4CC6632299529" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1D94821B4F5186913C48CC6632299C1E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2D309F4D8593116D52E4CC6632299529" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1D94821B4F5186913C48CC6632299C1E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1D94821B4F5186913C48CC6632299C1E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2D309F4D8593116D52E4CC6632299529" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1D94821B4F5186913C48CC6632299C1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_7721CB811426C65A7B96CC66322902D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_1D94821B4F5186913C48CC6632299C1E" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_7721CB811426C65A7B96CC66322902D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D73D2DF268242875700ACC6632291055" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_303A3C7B4444038DC82ACC66322935AF" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_D73D2DF268242875700ACC6632291055" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/EarningsPerShareEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_E6B42E4D093EF30B365EC1BED96EC2ED" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_C04A0EA4E79DE6738E3EC1BED96C3CF7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_E6B42E4D093EF30B365EC1BED96EC2ED" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_C04A0EA4E79DE6738E3EC1BED96C3CF7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_BC6D5CE36A0709571892C1BED96D759D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_C04A0EA4E79DE6738E3EC1BED96C3CF7" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_BC6D5CE36A0709571892C1BED96D759D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_78730E81FF5CE7A1CE9CC1BED96D90F4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_BC6D5CE36A0709571892C1BED96D759D" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_78730E81FF5CE7A1CE9CC1BED96D90F4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_78730E81FF5CE7A1CE9CC1BED96D90F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_BC6D5CE36A0709571892C1BED96D759D" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_78730E81FF5CE7A1CE9CC1BED96D90F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_066FE43B472E81BFDB5FC1BED96EA041" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_78730E81FF5CE7A1CE9CC1BED96D90F4" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_066FE43B472E81BFDB5FC1BED96EA041" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_7ED4FFD224D4DAD235E6C1BED96EE6D9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_E6B42E4D093EF30B365EC1BED96EC2ED" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_7ED4FFD224D4DAD235E6C1BED96EE6D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_7B925FD2CE1369C4F23CC1BED96EEB86" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_E6B42E4D093EF30B365EC1BED96EC2ED" xlink:to="loc_us-gaap_EarningsPerShareBasic_7B925FD2CE1369C4F23CC1BED96EEB86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_AB5E6530D5B7CB4A313BC1BED96EEA27" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_E6B42E4D093EF30B365EC1BED96EC2ED" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_AB5E6530D5B7CB4A313BC1BED96EEA27" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/EarningsPerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstruments" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsFairValuesOfDerivativesInstrumentsDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_517F78B1953851DF9C6CA18816B8CEEA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_82F31DD2F7BE5E20A306893AC5D3B513" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_517F78B1953851DF9C6CA18816B8CEEA" xlink:to="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_82F31DD2F7BE5E20A306893AC5D3B513" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_BA8D6F3300B15A1894DD82815241858B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_82F31DD2F7BE5E20A306893AC5D3B513" xlink:to="loc_us-gaap_HedgingDesignationAxis_BA8D6F3300B15A1894DD82815241858B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_9EA1EA7CC967756545D84E2FFA4C7E7A_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_BA8D6F3300B15A1894DD82815241858B" xlink:to="loc_us-gaap_HedgingDesignationDomain_9EA1EA7CC967756545D84E2FFA4C7E7A_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_E4E9C02120655CBD9501C655938D5BCC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_BA8D6F3300B15A1894DD82815241858B" xlink:to="loc_us-gaap_HedgingDesignationDomain_E4E9C02120655CBD9501C655938D5BCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_E3DDD4FAE6F250478A120FED5EF97A33" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_E4E9C02120655CBD9501C655938D5BCC" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_E3DDD4FAE6F250478A120FED5EF97A33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_9A08A6AD8D5A57D68F01546A4903EE21" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_E4E9C02120655CBD9501C655938D5BCC" xlink:to="loc_us-gaap_NondesignatedMember_9A08A6AD8D5A57D68F01546A4903EE21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_D857324BF0E3521EADBFAB1300314B93" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_82F31DD2F7BE5E20A306893AC5D3B513" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_D857324BF0E3521EADBFAB1300314B93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7388B00C0FDB0B40AB204E2FFA4CE11B_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_D857324BF0E3521EADBFAB1300314B93" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7388B00C0FDB0B40AB204E2FFA4CE11B_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_D857324BF0E3521EADBFAB1300314B93" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_E175B81B46D650F8B28961ACB3B6C3E7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:to="loc_us-gaap_InterestRateSwapMember_E175B81B46D650F8B28961ACB3B6C3E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_EC5555141FC7555EA15387D893BECD3F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:to="loc_us-gaap_ForeignExchangeContractMember_EC5555141FC7555EA15387D893BECD3F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_E4DA133B11BA57538F2827708BAF2339" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:to="loc_us-gaap_InterestRateContractMember_E4DA133B11BA57538F2827708BAF2339" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_BC3CA6E767DA5B189B0526F7BA7311B0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_070CDCD7A9315C9D80B6B20BA3E9F22F" xlink:to="loc_us-gaap_CommodityContractMember_BC3CA6E767DA5B189B0526F7BA7311B0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_C3AAEAF00ED154E0AF86E1FCF30D1DD3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_517F78B1953851DF9C6CA18816B8CEEA" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_C3AAEAF00ED154E0AF86E1FCF30D1DD3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_5E9F06C0791B5E7F836778826B5D20DC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_517F78B1953851DF9C6CA18816B8CEEA" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_5E9F06C0791B5E7F836778826B5D20DC" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditDerivativesLineItems" xlink:label="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:to="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_DCF08BF2B74EED13BD87C84167C5CBF3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_DCF08BF2B74EED13BD87C84167C5CBF3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_DCF08BF2B74EED13BD87C84167C5CBF3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_DCF08BF2B74EED13BD87C84167C5CBF3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_D2C24F6B9691731728C5C84167C5A1BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657" xlink:to="loc_us-gaap_InterestExpenseMember_D2C24F6B9691731728C5C84167C5A1BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_CE92AB40304E63E5D1D8C84167C66F93" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_CE92AB40304E63E5D1D8C84167C66F93" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember_B43072DAA7BE18FB0663C84167C6A29C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_908CEAB6695819BC08ACC84167C58657" xlink:to="loc_us-gaap_OperatingExpenseMember_B43072DAA7BE18FB0663C84167C6A29C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_673A5D6703A4B47793C4C84167C64A7A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:to="loc_us-gaap_HedgingDesignationAxis_673A5D6703A4B47793C4C84167C64A7A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_9E4F3254FBB6046ECDA8C84167C76BBB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_673A5D6703A4B47793C4C84167C64A7A" xlink:to="loc_us-gaap_HedgingDesignationDomain_9E4F3254FBB6046ECDA8C84167C76BBB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_9E4F3254FBB6046ECDA8C84167C76BBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_673A5D6703A4B47793C4C84167C64A7A" xlink:to="loc_us-gaap_HedgingDesignationDomain_9E4F3254FBB6046ECDA8C84167C76BBB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_B642D2D868F70BFC997EC84167C7DD2B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_9E4F3254FBB6046ECDA8C84167C76BBB" xlink:to="loc_us-gaap_NondesignatedMember_B642D2D868F70BFC997EC84167C7DD2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_0694777D3D30319319B9C84167C7BEC4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_0694777D3D30319319B9C84167C7BEC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0694777D3D30319319B9C84167C7BEC4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_0694777D3D30319319B9C84167C7BEC4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InterestRateCapsMember" xlink:label="loc_car_InterestRateCapsMember_517FFC80F5D17EF2D053C84167CDA1D1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_car_InterestRateCapsMember_517FFC80F5D17EF2D053C84167CDA1D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_A69D773E7BE81E6F3F89C84167CD5FFD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_us-gaap_InterestRateSwapMember_A69D773E7BE81E6F3F89C84167CD5FFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CurrencySwapMember" xlink:label="loc_us-gaap_CurrencySwapMember_4D2D0194331BADD9B582C84167CDA847" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_us-gaap_CurrencySwapMember_4D2D0194331BADD9B582C84167CDA847" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_7DCB33907CE6F6B1BFF0C84167CE13BE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_us-gaap_CommodityContractMember_7DCB33907CE6F6B1BFF0C84167CE13BE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_6666F4A324607050FB2EC84167CE25DE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_us-gaap_ForeignExchangeContractMember_6666F4A324607050FB2EC84167CE25DE" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_PurchaseMember" xlink:label="loc_car_PurchaseMember_66B4A9C138E0E72EAA1EC84167CEC3C7" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_car_PurchaseMember_66B4A9C138E0E72EAA1EC84167CEC3C7" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SoldMember" xlink:label="loc_car_SoldMember_4399D697CC3445FED22FC84167CEABA1" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6F08F8BC0D702BCFE777C84167CD9470" xlink:to="loc_car_SoldMember_4399D697CC3445FED22FC84167CEABA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_srt_ConsolidatedEntitiesAxis_AFB5D263B99B1917AB79C84167CFF6E7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_038076FD5B64F9F68292C84167C35189" xlink:to="loc_srt_ConsolidatedEntitiesAxis_AFB5D263B99B1917AB79C84167CFF6E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_8B7D17612BDA8F8488FCC84167CF64F1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_AFB5D263B99B1917AB79C84167CFF6E7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_8B7D17612BDA8F8488FCC84167CF64F1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_srt_ConsolidatedEntitiesDomain_8B7D17612BDA8F8488FCC84167CF64F1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_AFB5D263B99B1917AB79C84167CFF6E7" xlink:to="loc_srt_ConsolidatedEntitiesDomain_8B7D17612BDA8F8488FCC84167CF64F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_SubsidiariesMember" xlink:label="loc_srt_SubsidiariesMember_E06AD770E67D9C7704B3C84167CF588B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_8B7D17612BDA8F8488FCC84167CF64F1" xlink:to="loc_srt_SubsidiariesMember_E06AD770E67D9C7704B3C84167CF588B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue" xlink:label="loc_us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue_497AD43420537D8DA1F3C84FB47D7EEB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:to="loc_us-gaap_InterestRateCashFlowHedgeLiabilityAtFairValue_497AD43420537D8DA1F3C84FB47D7EEB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount" xlink:label="loc_us-gaap_DerivativeNotionalAmount_0C8508617113811BA89EC84167CF98E9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:to="loc_us-gaap_DerivativeNotionalAmount_0C8508617113811BA89EC84167CF98E9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_UnitsOfGasoline" xlink:label="loc_car_UnitsOfGasoline_AEFAC4E2DA76DCA36FB2C84167D07209" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:to="loc_car_UnitsOfGasoline_AEFAC4E2DA76DCA36FB2C84167D07209" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_9A2EB7D4C62977CDB2CBC84167D033DA" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditDerivativesLineItems_0326CFF0CAFE19F3EFFEC84167CF3F1E" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_9A2EB7D4C62977CDB2CBC84167D033DA" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsScheduleOfCarryingAmountsAndEstimatedFairValuesDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_42A010182515562F965BC554B0E7B72E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_42A010182515562F965BC554B0E7B72E" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_04497275792650A8B2E3DFD0E66A3485" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_42A010182515562F965BC554B0E7B72E" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_04497275792650A8B2E3DFD0E66A3485" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_D24E8B944A5E8F193CB84E2FF991E8DE_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_04497275792650A8B2E3DFD0E66A3485" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_D24E8B944A5E8F193CB84E2FF991E8DE_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_F380C37AFA205ED4AF6CEFD9E3BAA94B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_04497275792650A8B2E3DFD0E66A3485" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_F380C37AFA205ED4AF6CEFD9E3BAA94B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_608434AF163A55BAB5FBCFE08EB72988" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_F380C37AFA205ED4AF6CEFD9E3BAA94B" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_608434AF163A55BAB5FBCFE08EB72988" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F44A8D2F15725FBBB9ABCD118AE118F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_608434AF163A55BAB5FBCFE08EB72988" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_F44A8D2F15725FBBB9ABCD118AE118F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_EF4BEA0282205E59B473FF9F10D22CF7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_608434AF163A55BAB5FBCFE08EB72988" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_EF4BEA0282205E59B473FF9F10D22CF7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_4C89431AF639536286A872A16EEC319C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_us-gaap_LongTermDebtCurrent_4C89431AF639536286A872A16EEC319C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_49BD77BC1C525F00982F88E739D914B9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_49BD77BC1C525F00982F88E739D914B9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty" xlink:label="loc_car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty_B852AD03D9505E949F96763AA7B1CA61" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty_B852AD03D9505E949F96763AA7B1CA61" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleBackedDebt" xlink:label="loc_car_VehicleBackedDebt_C5C656E4997F59B592540BBBE6908AA4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_car_VehicleBackedDebt_C5C656E4997F59B592540BBBE6908AA4" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts" xlink:label="loc_car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts_258ECFC5CF305206BE7F1843535603D7" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_0BA974B3EEA35461943040DD1FADA9E9" xlink:to="loc_car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts_258ECFC5CF305206BE7F1843535603D7" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsScheduleOfEffectOfDerivativesRecognizedDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfCostMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_7FE7ED22F662564DACA319ECFD3F4DBA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_7FE7ED22F662564DACA319ECFD3F4DBA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_890D80F1DFBF50628FF7132136EA7125" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_7FE7ED22F662564DACA319ECFD3F4DBA" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_890D80F1DFBF50628FF7132136EA7125" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_4FBBA05B6DA88D023DBA136E476088E9_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_890D80F1DFBF50628FF7132136EA7125" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_4FBBA05B6DA88D023DBA136E476088E9_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_01C505844682542F8A6CC3CB58B05FDA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_890D80F1DFBF50628FF7132136EA7125" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_01C505844682542F8A6CC3CB58B05FDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="loc_us-gaap_OperatingExpenseMember_0568D4899A00531C85D92663C52FF0BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_01C505844682542F8A6CC3CB58B05FDA" xlink:to="loc_us-gaap_OperatingExpenseMember_0568D4899A00531C85D92663C52FF0BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpenseMember" xlink:label="loc_us-gaap_InterestExpenseMember_06071A21B5D3538381714732C2D679E2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_01C505844682542F8A6CC3CB58B05FDA" xlink:to="loc_us-gaap_InterestExpenseMember_06071A21B5D3538381714732C2D679E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeContractMember" xlink:label="loc_us-gaap_ForeignExchangeContractMember_71528685BD1155A08511FA37BE7E1A42" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_01C505844682542F8A6CC3CB58B05FDA" xlink:to="loc_us-gaap_ForeignExchangeContractMember_71528685BD1155A08511FA37BE7E1A42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_B3639443EB00505DAD34E0C8B4A732A4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_7FE7ED22F662564DACA319ECFD3F4DBA" xlink:to="loc_us-gaap_HedgingDesignationAxis_B3639443EB00505DAD34E0C8B4A732A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_6B8BD4E4C9CA0D0DBE12136E4761A4C1_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_B3639443EB00505DAD34E0C8B4A732A4" xlink:to="loc_us-gaap_HedgingDesignationDomain_6B8BD4E4C9CA0D0DBE12136E4761A4C1_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_FDE87F2095C75C8A97D8A4E99FA61275" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_B3639443EB00505DAD34E0C8B4A732A4" xlink:to="loc_us-gaap_HedgingDesignationDomain_FDE87F2095C75C8A97D8A4E99FA61275" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_6D54B6E6095A5209A5D393E59F9F43F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FDE87F2095C75C8A97D8A4E99FA61275" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_6D54B6E6095A5209A5D393E59F9F43F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_B386CA7BD378555E9003CE93CC08AC89" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_FDE87F2095C75C8A97D8A4E99FA61275" xlink:to="loc_us-gaap_NondesignatedMember_B386CA7BD378555E9003CE93CC08AC89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_90891B0B8BAC5985AF3E5F63746C4F4E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfCostMethodInvestmentsTable_7FE7ED22F662564DACA319ECFD3F4DBA" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_90891B0B8BAC5985AF3E5F63746C4F4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_B8D937E2CA56D498DDB2136E4762E7A0_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_90891B0B8BAC5985AF3E5F63746C4F4E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_B8D937E2CA56D498DDB2136E4762E7A0_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_90891B0B8BAC5985AF3E5F63746C4F4E" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_FAC197C98ECA5C7F944F84DEDCD9F535" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:to="loc_us-gaap_InterestRateSwapMember_FAC197C98ECA5C7F944F84DEDCD9F535" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignExchangeForwardMember" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_01C2A6A41AF552E888707CC230E47C64" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_01C2A6A41AF552E888707CC230E47C64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommodityContractMember" xlink:label="loc_us-gaap_CommodityContractMember_FC48F5B8101754679DFE0DDAE6CEACFA" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:to="loc_us-gaap_CommodityContractMember_FC48F5B8101754679DFE0DDAE6CEACFA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestRateContractMember" xlink:label="loc_us-gaap_InterestRateContractMember_9CCC653EBC4F5557AE7A24B18B2A951A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_3CEBF9D00B495289BE01644B24B4713C" xlink:to="loc_us-gaap_InterestRateContractMember_9CCC653EBC4F5557AE7A24B18B2A951A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_920C46A870F35DC6BE73E1A772971B78" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_us-gaap_LongTermDebtCurrent_920C46A870F35DC6BE73E1A772971B78" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_F839BC20369557FCBFE64CBF7E4783EA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax_F839BC20369557FCBFE64CBF7E4783EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DF37100D53835AB6858A9B976BFF19C5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_us-gaap_DerivativeGainLossOnDerivativeNet_DF37100D53835AB6858A9B976BFF19C5" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty" xlink:label="loc_car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty_A65CCCEACF7050DC86FBB3EA69E98245" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_car_DebtDueToAvisBudgetRentalCarFundingAesopLlcRelatedParty_A65CCCEACF7050DC86FBB3EA69E98245" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleBackedDebt" xlink:label="loc_car_VehicleBackedDebt_9A9DFAE5631B5BD587E75C0AFFE65909" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_car_VehicleBackedDebt_9A9DFAE5631B5BD587E75C0AFFE65909" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts" xlink:label="loc_car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts_824FCC9206EC5FD789B68E713D6FB947" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_CF031C021CC550CC91290E00AAAE9679" xlink:to="loc_car_DebtUnderVehicleProgramsInterestRateSwapsAndInterestRateContracts_824FCC9206EC5FD789B68E713D6FB947" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/IncomeTaxes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/IncomeTaxesIncomeTaxesNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/IntangibleAssets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/IntangibleAssetsNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3B33F28BB12559B1B40EA844CAA29A44" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3B33F28BB12559B1B40EA844CAA29A44" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FA85B0F21AD3CF89F603F9C2DB86C0CC_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3B33F28BB12559B1B40EA844CAA29A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_FA85B0F21AD3CF89F603F9C2DB86C0CC_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3AF355FA53AC585EBF31B5CB5193027D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_3B33F28BB12559B1B40EA844CAA29A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_3AF355FA53AC585EBF31B5CB5193027D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_srt_ConsolidationItemsAxis_DA53E6F724ED5EE9B1D7094C7AFB1171" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:to="loc_srt_ConsolidationItemsAxis_DA53E6F724ED5EE9B1D7094C7AFB1171" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_5AD5FE4E019677E46A31F9C2DB87D756_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_DA53E6F724ED5EE9B1D7094C7AFB1171" xlink:to="loc_srt_ConsolidationItemsDomain_5AD5FE4E019677E46A31F9C2DB87D756_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_srt_ConsolidationItemsDomain_B385C1B17CE755BFB360220AFAF768F2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_DA53E6F724ED5EE9B1D7094C7AFB1171" xlink:to="loc_srt_ConsolidationItemsDomain_B385C1B17CE755BFB360220AFAF768F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_F11B7568711656D99101AA4AA22BA95C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_F11B7568711656D99101AA4AA22BA95C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_C175182079BF1080B478F9C2DB882544_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F11B7568711656D99101AA4AA22BA95C" xlink:to="loc_us-gaap_SegmentDomain_C175182079BF1080B478F9C2DB882544_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_73930B541298517FAD40D35EA77ED2E1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F11B7568711656D99101AA4AA22BA95C" xlink:to="loc_us-gaap_SegmentDomain_73930B541298517FAD40D35EA77ED2E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_4D440D484FB25DF6A8D6B183A1522BCC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_4484AEA243A55A6B98925D1757FEA263" xlink:to="loc_srt_RangeAxis_4D440D484FB25DF6A8D6B183A1522BCC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_C226B128CF43B5D31152F9C2DB889F35_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4D440D484FB25DF6A8D6B183A1522BCC" xlink:to="loc_srt_RangeMember_C226B128CF43B5D31152F9C2DB889F35_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_A16B9D1626285F5F8C471C16CD478FC7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4D440D484FB25DF6A8D6B183A1522BCC" xlink:to="loc_srt_RangeMember_A16B9D1626285F5F8C471C16CD478FC7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_805CFDE2D2365755ACB059B3201EE6D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_805CFDE2D2365755ACB059B3201EE6D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_FD7950F068A15F239583DA0CDCD2810F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_FD7950F068A15F239583DA0CDCD2810F" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_AC174E6D96BE5BEEB3E53206DE451F00" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_dei_DocumentFiscalYearFocus_AC174E6D96BE5BEEB3E53206DE451F00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E56604F9F3085910AF6202973C5B19BD" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E56604F9F3085910AF6202973C5B19BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_3DF541F011D05D6F83F4EBC14A1943EF" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_3DF541F011D05D6F83F4EBC14A1943EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8919C53A875B568FA8C7E57CB1A25032" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_8919C53A875B568FA8C7E57CB1A25032" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_6808E925FD3E592BBFC0A33196ABCA9D" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_6808E925FD3E592BBFC0A33196ABCA9D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_36418CD586015D3688F154E64DC55180" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_940B66AF0A175FD9A1F68D630C082262" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_36418CD586015D3688F154E64DC55180" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/IntangibleAssetsScheduleOfIntangibleAssetsDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems" xlink:label="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_FiniteAndIndefiniteLivedIntangibleAssetsTable" xlink:label="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsTable_13DDB1B126BD5B1384378C0CE188BF71" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsTable_13DDB1B126BD5B1384378C0CE188BF71" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_188E5E6C386D5F4A9714F19D8AFA9859" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsTable_13DDB1B126BD5B1384378C0CE188BF71" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_188E5E6C386D5F4A9714F19D8AFA9859" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_8A6D905EB4D8ACAC79BB4E2FF9B0814D_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_188E5E6C386D5F4A9714F19D8AFA9859" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_8A6D905EB4D8ACAC79BB4E2FF9B0814D_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_A05BF8A078E75F4AA451A768442DE73A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_188E5E6C386D5F4A9714F19D8AFA9859" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_A05BF8A078E75F4AA451A768442DE73A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillMember" xlink:label="loc_us-gaap_GoodwillMember_7191A5BE4CCB5E9DBFA740F4F0BC01C2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_A05BF8A078E75F4AA451A768442DE73A" xlink:to="loc_us-gaap_GoodwillMember_7191A5BE4CCB5E9DBFA740F4F0BC01C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TrademarksMember" xlink:label="loc_us-gaap_TrademarksMember_54F39864FCE35701856AF9D858548EE8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_A05BF8A078E75F4AA451A768442DE73A" xlink:to="loc_us-gaap_TrademarksMember_54F39864FCE35701856AF9D858548EE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_62E27C0898935C7DBAA0C07E0B700C1C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsTable_13DDB1B126BD5B1384378C0CE188BF71" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_62E27C0898935C7DBAA0C07E0B700C1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_594A25706C2D1B37BAAC4E2FF9B032F5_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_62E27C0898935C7DBAA0C07E0B700C1C" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_594A25706C2D1B37BAAC4E2FF9B032F5_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_28893EA3AE645139ACC15074269F5595" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_62E27C0898935C7DBAA0C07E0B700C1C" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_28893EA3AE645139ACC15074269F5595" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LicensingAgreementsMember" xlink:label="loc_us-gaap_LicensingAgreementsMember_A52875A1A039560FB9C8DC08289DEAD0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_28893EA3AE645139ACC15074269F5595" xlink:to="loc_us-gaap_LicensingAgreementsMember_A52875A1A039560FB9C8DC08289DEAD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_A9964821253C5849B6EE37CE2A92115C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_28893EA3AE645139ACC15074269F5595" xlink:to="loc_us-gaap_CustomerRelationshipsMember_A9964821253C5849B6EE37CE2A92115C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIntangibleAssetsMember" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_5BF595F327BC5538A9CA533BFD0C55C0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_28893EA3AE645139ACC15074269F5595" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_5BF595F327BC5538A9CA533BFD0C55C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_20449F11A35751B7BB452DF0BEBC913A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_20449F11A35751B7BB452DF0BEBC913A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_F8D9AEA8A8255006A111CAC40FB1696E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_F8D9AEA8A8255006A111CAC40FB1696E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3E930748FECF565182CB486D5D17E926" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3E930748FECF565182CB486D5D17E926" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_DEA0F844548A560FAAB07B50B5E776C9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_us-gaap_Goodwill_DEA0F844548A560FAAB07B50B5E776C9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_1CBC80B3217D587E851E1CD912F47AC0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_FiniteAndIndefiniteLivedIntangibleAssetsLineItems_6157DE0C6A8B59F7B8AC7342BAE6623A" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_1CBC80B3217D587E851E1CD912F47AC0" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/IntangibleAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesLesseeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_E6A642222E8BFA96036BCC547E2C4AB9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_E6A642222E8BFA96036BCC547E2C4AB9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_9F0ED07543C1F8EEDD9ACC547E2CEBD2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_E6A642222E8BFA96036BCC547E2C4AB9" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_9F0ED07543C1F8EEDD9ACC547E2CEBD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_1CC5AC124B15FE5DCC73CC547E2C851D_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9F0ED07543C1F8EEDD9ACC547E2CEBD2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_1CC5AC124B15FE5DCC73CC547E2C851D_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_1CC5AC124B15FE5DCC73CC547E2C851D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_9F0ED07543C1F8EEDD9ACC547E2CEBD2" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_1CC5AC124B15FE5DCC73CC547E2C851D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_PropertyleasesMember" xlink:label="loc_car_PropertyleasesMember_537E64ACBE27FA3BCA9DCC547E2C847B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_1CC5AC124B15FE5DCC73CC547E2C851D" xlink:to="loc_car_PropertyleasesMember_537E64ACBE27FA3BCA9DCC547E2C847B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseCost" xlink:label="loc_us-gaap_OperatingLeaseCost_C056E8FD93B116832448CC547E2CC838" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseCost_C056E8FD93B116832448CC547E2CC838" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableLeaseCost" xlink:label="loc_us-gaap_VariableLeaseCost_4DB65F0BA8B5B168DD30CC547E2C7D57" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_VariableLeaseCost_4DB65F0BA8B5B168DD30CC547E2C7D57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LeaseCost" xlink:label="loc_us-gaap_LeaseCost_1837E4C24F40772E08A8CC547E2C9019" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_LeaseCost_1837E4C24F40772E08A8CC547E2C9019" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehicleLeaseCharges" xlink:label="loc_car_VehicleLeaseCharges_F72E45AB4CB0EAA35E72CC547E2C37C0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_car_VehicleLeaseCharges_F72E45AB4CB0EAA35E72CC547E2C37C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_DE4DB75F9D0D95CFD971CC547E2CCEDA" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_DE4DB75F9D0D95CFD971CC547E2CCEDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_616EAA01F360456B618CCC547E2CE2B4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_616EAA01F360456B618CCC547E2CE2B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_5DCF9007739912B23E3FCC547E2C4DE0" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_5DCF9007739912B23E3FCC547E2C4DE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability_6D663682F7DDC8244220CC547E2C0860" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseLiability_6D663682F7DDC8244220CC547E2C0860" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_F7C9A8113E87C58675A6CC547E2C8D0E" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_F7C9A8113E87C58675A6CC547E2C8D0E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_BB47CCD63D86C13DB6D6CC547E2C8EF5" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_BB47CCD63D86C13DB6D6CC547E2C8EF5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeasePayments" xlink:label="loc_us-gaap_OperatingLeasePayments_321F6363AA745F43AFC0CC547E2CEDBE" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_OperatingLeasePayments_321F6363AA745F43AFC0CC547E2CEDBE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_F03F1E42CAFD2B86A0D5CC547E3B7B98" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_4FDDA5E5D3934E6BABCBCC547E2C9E64" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_F03F1E42CAFD2B86A0D5CC547E3B7B98" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesLessorDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LessorLeaseDescriptionLineItems" xlink:label="loc_us-gaap_LessorLeaseDescriptionLineItems_823823E2549A56569971B5D52B71B5AC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LessorLeaseDescriptionTable" xlink:label="loc_us-gaap_LessorLeaseDescriptionTable_2D76890FC44850D08BEC0119DB2EE34C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_823823E2549A56569971B5D52B71B5AC" xlink:to="loc_us-gaap_LessorLeaseDescriptionTable_2D76890FC44850D08BEC0119DB2EE34C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandAxis" xlink:label="loc_car_BrandAxis_32B0C42C17365BB0ADFCE687C35899BB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_2D76890FC44850D08BEC0119DB2EE34C" xlink:to="loc_car_BrandAxis_32B0C42C17365BB0ADFCE687C35899BB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_8B68910ED9B2C088EBC44E2FF991E84D_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_BrandAxis_32B0C42C17365BB0ADFCE687C35899BB" xlink:to="loc_car_BrandDomain_8B68910ED9B2C088EBC44E2FF991E84D_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrandDomain" xlink:label="loc_car_BrandDomain_7AA5F73A8E2F53E7892BE9EA9E067483" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_BrandAxis_32B0C42C17365BB0ADFCE687C35899BB" xlink:to="loc_car_BrandDomain_7AA5F73A8E2F53E7892BE9EA9E067483" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AvisMember" xlink:label="loc_car_AvisMember_4FCC76CED93A5AFBAE45F6F2A4D59C32" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_7AA5F73A8E2F53E7892BE9EA9E067483" xlink:to="loc_car_AvisMember_4FCC76CED93A5AFBAE45F6F2A4D59C32" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BudgetMember" xlink:label="loc_car_BudgetMember_D29DD16843545C2E832C72698C0B5F2D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_7AA5F73A8E2F53E7892BE9EA9E067483" xlink:to="loc_car_BudgetMember_D29DD16843545C2E832C72698C0B5F2D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherBrandsMember" xlink:label="loc_car_OtherBrandsMember_4DB7E117A08553849489E58DF0E263A4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_BrandDomain_7AA5F73A8E2F53E7892BE9EA9E067483" xlink:to="loc_car_OtherBrandsMember_4DB7E117A08553849489E58DF0E263A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionAxis" xlink:label="loc_us-gaap_GeographicDistributionAxis_4750D9A3EA925B5F8F641B65C73174BC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_2D76890FC44850D08BEC0119DB2EE34C" xlink:to="loc_us-gaap_GeographicDistributionAxis_4750D9A3EA925B5F8F641B65C73174BC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_6236D1FD11C6A76643904E2FF991FCFC_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_4750D9A3EA925B5F8F641B65C73174BC" xlink:to="loc_us-gaap_GeographicDistributionDomain_6236D1FD11C6A76643904E2FF991FCFC_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_75084105317E547E9BE2244152405665" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_4750D9A3EA925B5F8F641B65C73174BC" xlink:to="loc_us-gaap_GeographicDistributionDomain_75084105317E547E9BE2244152405665" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_0FD0742E1A395EB4BC5BDA5794EC05F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_75084105317E547E9BE2244152405665" xlink:to="loc_srt_AmericasMember_0FD0742E1A395EB4BC5BDA5794EC05F0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EMEAMember" xlink:label="loc_us-gaap_EMEAMember_A61252A7A6DD5524915D947A0D64AA63" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_75084105317E547E9BE2244152405665" xlink:to="loc_us-gaap_EMEAMember_A61252A7A6DD5524915D947A0D64AA63" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AsiaandAustralasiaMember" xlink:label="loc_car_AsiaandAustralasiaMember_E2FABC3C0EA3594BA951CB81D4D8E8BB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_75084105317E547E9BE2244152405665" xlink:to="loc_car_AsiaandAustralasiaMember_E2FABC3C0EA3594BA951CB81D4D8E8BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLeaseIncome" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_79F015FDA2BB5EAF827981696800FF52" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_823823E2549A56569971B5D52B71B5AC" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_79F015FDA2BB5EAF827981696800FF52" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_59D1626CD5B402CCB31BCC5568917EA4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_59D1626CD5B402CCB31BCC5568917EA4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_F14428BEFE2499363F40CC556891F05F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_59D1626CD5B402CCB31BCC5568917EA4" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_F14428BEFE2499363F40CC556891F05F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_F14428BEFE2499363F40CC556891F05F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_59D1626CD5B402CCB31BCC5568917EA4" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_F14428BEFE2499363F40CC556891F05F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_29DBD9E302D13EB09FE5CC5568919FE8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_F14428BEFE2499363F40CC556891F05F" xlink:to="loc_us-gaap_SubsequentEventMember_29DBD9E302D13EB09FE5CC5568919FE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_31069F8B07430EAF7A24CC5568910657" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_31069F8B07430EAF7A24CC5568910657" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_415C3EF0072929FAC021CC55689190A9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_31069F8B07430EAF7A24CC5568910657" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_415C3EF0072929FAC021CC55689190A9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_415C3EF0072929FAC021CC55689190A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_31069F8B07430EAF7A24CC5568910657" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_415C3EF0072929FAC021CC55689190A9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeAxis" xlink:label="loc_car_LongTermBorrowingByTypeAxis_3D4AAF09DC973D2B044DCC55689174A4" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_car_LongTermBorrowingByTypeAxis_3D4AAF09DC973D2B044DCC55689174A4" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_441EE55B1E39D01CEFE1CC556891390E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_LongTermBorrowingByTypeAxis_3D4AAF09DC973D2B044DCC55689174A4" xlink:to="loc_car_LongTermBorrowingByTypeDomain_441EE55B1E39D01CEFE1CC556891390E_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_441EE55B1E39D01CEFE1CC556891390E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_LongTermBorrowingByTypeAxis_3D4AAF09DC973D2B044DCC55689174A4" xlink:to="loc_car_LongTermBorrowingByTypeDomain_441EE55B1E39D01CEFE1CC556891390E" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingsMember" xlink:label="loc_car_LongTermBorrowingsMember_CE0527AB9396D54E8820CC5568917EB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_LongTermBorrowingByTypeDomain_441EE55B1E39D01CEFE1CC556891390E" xlink:to="loc_car_LongTermBorrowingsMember_CE0527AB9396D54E8820CC5568917EB6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_555F595BA03D356D99F5CC556891C066" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_us-gaap_DebtInstrumentAxis_555F595BA03D356D99F5CC556891C066" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_555F595BA03D356D99F5CC556891C066" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_555F595BA03D356D99F5CC556891C066" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember" xlink:label="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_D18C459A42B67AB47D77CC556891DE5C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_D18C459A42B67AB47D77CC556891DE5C" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverTwoSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverTwoSeniorNotesMember_585A69DADFB51FA897CECC55689116D6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_FiveAndOneOverTwoSeniorNotesMember_585A69DADFB51FA897CECC55689116D6" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SixAndThreeOverEightSeniorNotesMember" xlink:label="loc_car_SixAndThreeOverEightSeniorNotesMember_1E8CA15421F9AD8F3BE4CC55689138CB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_SixAndThreeOverEightSeniorNotesMember_1E8CA15421F9AD8F3BE4CC55689138CB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FourandOneoverEightEuroDenominatedSeniorNotesMember" xlink:label="loc_car_FourandOneoverEightEuroDenominatedSeniorNotesMember_177659BEACEA0F47799BCC55689158BF" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_FourandOneoverEightEuroDenominatedSeniorNotesMember_177659BEACEA0F47799BCC55689158BF" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverFourSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverFourSeniorNotesMember_89E2834507A5BE3B6741CC556891215F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_FiveAndOneOverFourSeniorNotesMember_89E2834507A5BE3B6741CC556891215F" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FourandOneoverTwoEuroDenominatedSeniorNotesMember" xlink:label="loc_car_FourandOneoverTwoEuroDenominatedSeniorNotesMember_C7F77C07F0183C8B3CCBCC5568912A90" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_739D25D371E5F6B8A06FCC55689101FD" xlink:to="loc_car_FourandOneoverTwoEuroDenominatedSeniorNotesMember_C7F77C07F0183C8B3CCBCC5568912A90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_5953A547E63F6ACD15E8CC5568911C9F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_5953A547E63F6ACD15E8CC5568911C9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5953A547E63F6ACD15E8CC5568911C9F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5953A547E63F6ACD15E8CC5568911C9F" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_3AA766DDAE48DFB2F971CC5568916E60" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1" xlink:to="loc_us-gaap_LoansPayableMember_3AA766DDAE48DFB2F971CC5568916E60" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverTwoSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverTwoSeniorNotesMember_7CBBE31270716CC4D8C9CC5568911192" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1" xlink:to="loc_car_FiveAndOneOverTwoSeniorNotesMember_7CBBE31270716CC4D8C9CC5568911192" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_61AD0F736DD0A24298ADCC556891A1F5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_2F100C205283EBBEDC74CC5568911CB1" xlink:to="loc_us-gaap_SeniorNotesMember_61AD0F736DD0A24298ADCC556891A1F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_71F6BB44F8FB8C19F009CC556891196B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_52F6B50EA81556B390EACC556891CE92" xlink:to="loc_srt_RangeAxis_71F6BB44F8FB8C19F009CC556891196B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_3EA3F42990BFFE247459CC5568915D61_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_71F6BB44F8FB8C19F009CC556891196B" xlink:to="loc_srt_RangeMember_3EA3F42990BFFE247459CC5568915D61_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_3EA3F42990BFFE247459CC5568915D61" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_71F6BB44F8FB8C19F009CC556891196B" xlink:to="loc_srt_RangeMember_3EA3F42990BFFE247459CC5568915D61" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_0BBE90B0B21A5132E737CC5568A007CD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_0BBE90B0B21A5132E737CC5568A007CD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_DBC328066F5D10D773C4CC5568A0AB6E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_DBC328066F5D10D773C4CC5568A0AB6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_899466D9177E2E7E51D4CC5568A0E8B7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_OtherLongTermDebt_899466D9177E2E7E51D4CC5568A0E8B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_F2296DEE774DC3EB2E2ECC5568A0D335" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_F2296DEE774DC3EB2E2ECC5568A0D335" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_5AC7724194274C961D25CC5568A09E2A" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_LongTermDebt_5AC7724194274C961D25CC5568A09E2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_2041CF83CFB65EFB8B0ACC5568A0DB27" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_2041CF83CFB65EFB8B0ACC5568A0DB27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4369354F23895E004CBCCC5568A07DAC" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_DF3816BEEC89FFB926D9CC556891C805" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_4369354F23895E004CBCCC5568A07DAC" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_D2B244D6928F5B13BFEFCA0AC3F6C00B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_D2B244D6928F5B13BFEFCA0AC3F6C00B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_E88753F6A59658D29BAA28FF384DBA56" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_D2B244D6928F5B13BFEFCA0AC3F6C00B" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_E88753F6A59658D29BAA28FF384DBA56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_E139A504B86DC9920B7D4E2FFA0EA4C2_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_E88753F6A59658D29BAA28FF384DBA56" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_E139A504B86DC9920B7D4E2FFA0EA4C2_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_384D89CF894F5337BFAAE97464F17ADA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_E88753F6A59658D29BAA28FF384DBA56" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_384D89CF894F5337BFAAE97464F17ADA" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_RevolvingCreditFacilityMaturingTwoThousandTwentyThreeMember" xlink:label="loc_car_RevolvingCreditFacilityMaturingTwoThousandTwentyThreeMember_42FE9887696F57A1B94A202A994FFABD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_384D89CF894F5337BFAAE97464F17ADA" xlink:to="loc_car_RevolvingCreditFacilityMaturingTwoThousandTwentyThreeMember_42FE9887696F57A1B94A202A994FFABD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_0336C361127453D985B64401D6C8074F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_0336C361127453D985B64401D6C8074F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_1E2C16F6416557C6AC0C6013E7F4283F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:to="loc_us-gaap_LineOfCredit_1E2C16F6416557C6AC0C6013E7F4283F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_B990FF12EF6C570CA762C684D7B502A5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_B990FF12EF6C570CA762C684D7B502A5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_30ACED457A7F53C6A9FF2530319C914D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_72D3840D2329511097853465C6E714B5" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_30ACED457A7F53C6A9FF2530319C914D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfCommittedCreditFacilitiesDetailSection" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_84A3E2A49E2CA8584F0CCC60D939DB62" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_84A3E2A49E2CA8584F0CCC60D939DB62" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeAxis" xlink:label="loc_car_LongTermBorrowingByTypeAxis_766AE5B558AD6DDEA3D7CC60D9392E9F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:to="loc_car_LongTermBorrowingByTypeAxis_766AE5B558AD6DDEA3D7CC60D9392E9F" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_F2EE89B8E88DF46814C9CC60D939309B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_LongTermBorrowingByTypeAxis_766AE5B558AD6DDEA3D7CC60D9392E9F" xlink:to="loc_car_LongTermBorrowingByTypeDomain_F2EE89B8E88DF46814C9CC60D939309B_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_F2EE89B8E88DF46814C9CC60D939309B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_LongTermBorrowingByTypeAxis_766AE5B558AD6DDEA3D7CC60D9392E9F" xlink:to="loc_car_LongTermBorrowingByTypeDomain_F2EE89B8E88DF46814C9CC60D939309B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingsMember" xlink:label="loc_car_LongTermBorrowingsMember_BA3A78CBE8A927BD3CE3CC60D9395942" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_LongTermBorrowingByTypeDomain_F2EE89B8E88DF46814C9CC60D939309B" xlink:to="loc_car_LongTermBorrowingsMember_BA3A78CBE8A927BD3CE3CC60D9395942" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_85CB044E1EC1856C3334CC60D93988EE" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:to="loc_us-gaap_DebtInstrumentAxis_85CB044E1EC1856C3334CC60D93988EE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4FF28D47E56399182CFFCC60D939ABE1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_85CB044E1EC1856C3334CC60D93988EE" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4FF28D47E56399182CFFCC60D939ABE1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4FF28D47E56399182CFFCC60D939ABE1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_85CB044E1EC1856C3334CC60D93988EE" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4FF28D47E56399182CFFCC60D939ABE1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_43EC3ABB101D68CEB4D0CC60D939CAB8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_43EC3ABB101D68CEB4D0CC60D939CAB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_EAD69A1A398EA41FF367CC60D93984F3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_43EC3ABB101D68CEB4D0CC60D939CAB8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_EAD69A1A398EA41FF367CC60D93984F3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_EAD69A1A398EA41FF367CC60D93984F3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_43EC3ABB101D68CEB4D0CC60D939CAB8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_EAD69A1A398EA41FF367CC60D93984F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_79B00AED8D7314F8AB0DCC60D9399134" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_E56B5C529217CABBA99BCC60D9392E91" xlink:to="loc_srt_RangeAxis_79B00AED8D7314F8AB0DCC60D9399134" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_1EB1FA15394B664A15F7CC60D939B2C0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_79B00AED8D7314F8AB0DCC60D9399134" xlink:to="loc_srt_RangeMember_1EB1FA15394B664A15F7CC60D939B2C0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_1EB1FA15394B664A15F7CC60D939B2C0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_79B00AED8D7314F8AB0DCC60D9399134" xlink:to="loc_srt_RangeMember_1EB1FA15394B664A15F7CC60D939B2C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7245A224BC0FC8A093E7CC60D93981DA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_84A3E2A49E2CA8584F0CCC60D939DB62" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7245A224BC0FC8A093E7CC60D93981DA" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_B9C1E2EDADE8ABFAC4C8C8E1E473D6E8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_B9C1E2EDADE8ABFAC4C8C8E1E473D6E8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B9C1E2EDADE8ABFAC4C8C8E1E473D6E8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_B9C1E2EDADE8ABFAC4C8C8E1E473D6E8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_E9131D7C078A1CDD8856C8E1E4730354" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD" xlink:to="loc_us-gaap_SeniorNotesMember_E9131D7C078A1CDD8856C8E1E4730354" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_E75A735050A59D887F48C8E1E473EBA4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD" xlink:to="loc_us-gaap_LoansPayableMember_E75A735050A59D887F48C8E1E473EBA4" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SeniorNotesandLoansPayableMember" xlink:label="loc_car_SeniorNotesandLoansPayableMember_D41FCD5DD2C7E4CFD2D1C8E1E4739560" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_E5B3E9C9BB567B151133C8E1E47382BD" xlink:to="loc_car_SeniorNotesandLoansPayableMember_D41FCD5DD2C7E4CFD2D1C8E1E4739560" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_C59D997EFFE5498CF1FFC8E1E473A3B7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_C59D997EFFE5498CF1FFC8E1E473A3B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_0BA395D713A64A6BD564C8E1E4733234_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_C59D997EFFE5498CF1FFC8E1E473A3B7" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_0BA395D713A64A6BD564C8E1E4733234_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_0BA395D713A64A6BD564C8E1E4733234" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_C59D997EFFE5498CF1FFC8E1E473A3B7" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_0BA395D713A64A6BD564C8E1E4733234" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_F4F813D8EB491F317E91C8E1E4738531" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:to="loc_us-gaap_DebtInstrumentAxis_F4F813D8EB491F317E91C8E1E4738531" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_F4F813D8EB491F317E91C8E1E4738531" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_F4F813D8EB491F317E91C8E1E4738531" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverTwoSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverTwoSeniorNotesMember_D6C8638435E001A6AEC9C8E1E473FA48" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FiveAndOneOverTwoSeniorNotesMember_D6C8638435E001A6AEC9C8E1E473FA48" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SixAndThreeOverEightSeniorNotesMember" xlink:label="loc_car_SixAndThreeOverEightSeniorNotesMember_BBA64768DAC0EC3D6AF3C8E1E4733248" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_SixAndThreeOverEightSeniorNotesMember_BBA64768DAC0EC3D6AF3C8E1E4733248" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FourandOneoverEightEuroDenominatedSeniorNotesMember" xlink:label="loc_car_FourandOneoverEightEuroDenominatedSeniorNotesMember_2ACD1D18AD909E8EDB64C8E1E473394D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FourandOneoverEightEuroDenominatedSeniorNotesMember_2ACD1D18AD909E8EDB64C8E1E473394D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember" xlink:label="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_955FE81A5F7DEDA297B9C8E1E4734C6B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_955FE81A5F7DEDA297B9C8E1E4734C6B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverFourSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverFourSeniorNotesMember_42FB590D57912BB96081C8E1E47300AD" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FiveAndOneOverFourSeniorNotesMember_42FB590D57912BB96081C8E1E47300AD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FourandOneoverTwoEuroDenominatedSeniorNotesMember" xlink:label="loc_car_FourandOneoverTwoEuroDenominatedSeniorNotesMember_FC0F80E5AFC688487D0EC8E1E4735CFE" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FourandOneoverTwoEuroDenominatedSeniorNotesMember_FC0F80E5AFC688487D0EC8E1E4735CFE" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FourandthreeoverfourEuroDenominatedSeniorNotesMember" xlink:label="loc_car_FourandthreeoverfourEuroDenominatedSeniorNotesMember_60BE3058FD9F18DBE6DEC8E1E4736F4B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_737CD5921E7F7F2645A0C8E1E47334A2" xlink:to="loc_car_FourandthreeoverfourEuroDenominatedSeniorNotesMember_60BE3058FD9F18DBE6DEC8E1E4736F4B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeAxis" xlink:label="loc_car_LongTermBorrowingByTypeAxis_A992EC956442A67A309AC8E1E473AE9E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_100343C7DFCE5F22B00BC8E1E4738125" xlink:to="loc_car_LongTermBorrowingByTypeAxis_A992EC956442A67A309AC8E1E473AE9E" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_LongTermBorrowingByTypeAxis_A992EC956442A67A309AC8E1E473AE9E" xlink:to="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_LongTermBorrowingByTypeAxis_A992EC956442A67A309AC8E1E473AE9E" xlink:to="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingsMember" xlink:label="loc_car_LongTermBorrowingsMember_6175BFA4EC36ED6BBEAFC8E1E473C4E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B" xlink:to="loc_car_LongTermBorrowingsMember_6175BFA4EC36ED6BBEAFC8E1E473C4E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_CE1A469C84BDA6E34C43C8E1E473A6E5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_LongTermBorrowingByTypeDomain_3FF47498A31875F0B3DCC8E1E4735B1B" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_CE1A469C84BDA6E34C43C8E1E473A6E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_138CCB68D4491BEC23DFC8E1E473114F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_138CCB68D4491BEC23DFC8E1E473114F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_59FA0DAA17BEBEBEE623C8E1E473C0CB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_59FA0DAA17BEBEBEE623C8E1E473C0CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_5A73C0CBABE58AAE0D9DC8E1E47310E6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_5A73C0CBABE58AAE0D9DC8E1E47310E6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermDebt" xlink:label="loc_us-gaap_OtherLongTermDebt_D335D7164F3D166B16E6C8E1E473E600" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_OtherLongTermDebt_D335D7164F3D166B16E6C8E1E473E600" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_6AED9EACE3A2F87B33C6C8E1E4739F64" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_6AED9EACE3A2F87B33C6C8E1E4739F64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_60F8C95910ED6AB8A231C8E1E4736D0D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_LongTermDebt_60F8C95910ED6AB8A231C8E1E4736D0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_D5F18D433B59C294DECDC8E1E473A7C3" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_LongTermDebtCurrent_D5F18D433B59C294DECDC8E1E473A7C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_C52B627A8AB4C2E39A8EC8E1E473BD9F" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_C52B627A8AB4C2E39A8EC8E1E473BD9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_D59232A5896A6EE1BF2AC8E1E4736BD5" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_D59232A5896A6EE1BF2AC8E1E4736BD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_8C2677D674DF0F00FAF5C8E1E4739B09" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_8C2677D674DF0F00FAF5C8E1E4739B09" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_PercentageOfMarginAggregateInterestRate" xlink:label="loc_car_PercentageOfMarginAggregateInterestRate_1C55F86D292769122C16C8E1E4731BE6" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_199F94C806962DD67ACDC8E1E4731668" xlink:to="loc_car_PercentageOfMarginAggregateInterestRate_1C55F86D292769122C16C8E1E4731BE6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsScheduleOfLongTermDebtDetailSection" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis_BE40BAA3843474F10C3ECC726ADCBC7F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:to="loc_srt_RangeAxis_BE40BAA3843474F10C3ECC726ADCBC7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_D973069028FAD9C93627CC726ADC3A63_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_BE40BAA3843474F10C3ECC726ADCBC7F" xlink:to="loc_srt_RangeMember_D973069028FAD9C93627CC726ADC3A63_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember_D973069028FAD9C93627CC726ADC3A63" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_BE40BAA3843474F10C3ECC726ADCBC7F" xlink:to="loc_srt_RangeMember_D973069028FAD9C93627CC726ADC3A63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_E0F2323526563605E1DACC726ADC31BF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_E0F2323526563605E1DACC726ADC31BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_55D34C1881ACC05B3338CC726ADCAB56_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_E0F2323526563605E1DACC726ADC31BF" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_55D34C1881ACC05B3338CC726ADCAB56_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_55D34C1881ACC05B3338CC726ADCAB56" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_E0F2323526563605E1DACC726ADC31BF" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_55D34C1881ACC05B3338CC726ADCAB56" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_FE2740973CC7B9B798DBCC726ADC757C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_FE2740973CC7B9B798DBCC726ADC757C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_FE2740973CC7B9B798DBCC726ADC757C" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_FE2740973CC7B9B798DBCC726ADC757C" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_191BEA4D88B5D4A56797CC726ADC3D06" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE" xlink:to="loc_us-gaap_SeniorNotesMember_191BEA4D88B5D4A56797CC726ADC3D06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember_4081F1F30C5C67E1B7ADCC726ADC7F64" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_57E61F9474FFF703DDEACC726ADC9EFE" xlink:to="loc_us-gaap_LoansPayableMember_4081F1F30C5C67E1B7ADCC726ADC7F64" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeAxis" xlink:label="loc_car_LongTermBorrowingByTypeAxis_C3C58A3F59B1DCFFF938CC726ADCD151" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:to="loc_car_LongTermBorrowingByTypeAxis_C3C58A3F59B1DCFFF938CC726ADCD151" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_913D3CC1D3666F381D02CC726ADC80C8_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_LongTermBorrowingByTypeAxis_C3C58A3F59B1DCFFF938CC726ADCD151" xlink:to="loc_car_LongTermBorrowingByTypeDomain_913D3CC1D3666F381D02CC726ADC80C8_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingByTypeDomain" xlink:label="loc_car_LongTermBorrowingByTypeDomain_913D3CC1D3666F381D02CC726ADC80C8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_LongTermBorrowingByTypeAxis_C3C58A3F59B1DCFFF938CC726ADCD151" xlink:to="loc_car_LongTermBorrowingByTypeDomain_913D3CC1D3666F381D02CC726ADC80C8" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_LongTermBorrowingsMember" xlink:label="loc_car_LongTermBorrowingsMember_1FBB8999537A1D3D94DACC726ADC943F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_LongTermBorrowingByTypeDomain_913D3CC1D3666F381D02CC726ADC80C8" xlink:to="loc_car_LongTermBorrowingsMember_1FBB8999537A1D3D94DACC726ADC943F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_5AB6C40CB2D3C36C4DD2CC726ADC8852" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_F2F4C688F28363C31158CC726ADC5FDB" xlink:to="loc_us-gaap_DebtInstrumentAxis_5AB6C40CB2D3C36C4DD2CC726ADC8852" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_5AB6C40CB2D3C36C4DD2CC726ADC8852" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_5AB6C40CB2D3C36C4DD2CC726ADC8852" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverTwoSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverTwoSeniorNotesMember_61562919E201994B9114CC726ADCB5A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:to="loc_car_FiveAndOneOverTwoSeniorNotesMember_61562919E201994B9114CC726ADCB5A9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SixAndThreeOverEightSeniorNotesMember" xlink:label="loc_car_SixAndThreeOverEightSeniorNotesMember_9FB40B87C741EA4866FDCC726ADCB138" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:to="loc_car_SixAndThreeOverEightSeniorNotesMember_9FB40B87C741EA4866FDCC726ADCB138" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverFourSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverFourSeniorNotesMember_3525C990B8984430D71DCC726ADCC6CD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:to="loc_car_FiveAndOneOverFourSeniorNotesMember_3525C990B8984430D71DCC726ADCC6CD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_RevolvingCreditFacilityMaturingTwoThousandTwentyOneMember" xlink:label="loc_car_RevolvingCreditFacilityMaturingTwoThousandTwentyOneMember_8BE600FB3988FFF40E10CC726ADC2C80" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:to="loc_car_RevolvingCreditFacilityMaturingTwoThousandTwentyOneMember_8BE600FB3988FFF40E10CC726ADC2C80" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember" xlink:label="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_79ABD5B76189514F6488CC726ADCC287" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E5A21AD766B68853D7C2CC726ADC0354" xlink:to="loc_car_FloatingRateTermLoanDueFebruaryTwoThousandTwentySevenMember_79ABD5B76189514F6488CC726ADCC287" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_58C30BACEC64AC2312EFCC726ADCCDB5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_58C30BACEC64AC2312EFCC726ADCCDB5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_01277008CA2990587330CC726ADC7B38" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_01277008CA2990587330CC726ADC7B38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentDescriptionOfVariableRateBasis" xlink:label="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_FA8C86FAE9770559F929CC726ADC2060" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DebtInstrumentDescriptionOfVariableRateBasis_FA8C86FAE9770559F929CC726ADC2060" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_PercentageOfMarginAggregateInterestRate" xlink:label="loc_car_PercentageOfMarginAggregateInterestRate_DCFC790FBF24134B65EBCC726ADC671C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_car_PercentageOfMarginAggregateInterestRate_DCFC790FBF24134B65EBCC726ADC671C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_02E52F5813049BA006A3CC726ADC7B05" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_02E52F5813049BA006A3CC726ADC7B05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_1E5B83F9B6DF08BE2FFECC726ADC08B6" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4638C8C35D9496D82FDDCC726ADC3E8E" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_1E5B83F9B6DF08BE2FFECC726ADC08B6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongTermDebtAndBorrowingArrangementsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/OtherCurrentAssets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/OtherCurrentAssetsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/OtherCurrentAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/Restructuring" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_64D83DF41BD1C2F4998FC737B40B8F4B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_64D83DF41BD1C2F4998FC737B40B8F4B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_711F02BF9A558D3A8E56C737B40B59F8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_64D83DF41BD1C2F4998FC737B40B8F4B" xlink:to="loc_us-gaap_RestructuringPlanAxis_711F02BF9A558D3A8E56C737B40B59F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_711F02BF9A558D3A8E56C737B40B59F8" xlink:to="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_711F02BF9A558D3A8E56C737B40B59F8" xlink:to="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_A2020OptimizationMember" xlink:label="loc_car_A2020OptimizationMember_D57C6F7E720B6C826B95C7541C49FF99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256" xlink:to="loc_car_A2020OptimizationMember_D57C6F7E720B6C826B95C7541C49FF99" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrazilRestructuringMember" xlink:label="loc_car_BrazilRestructuringMember_2863695020E8E92E6B95C737B40BC492" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_ABB2DFDEFDE3C895275EC737B40B8256" xlink:to="loc_car_BrazilRestructuringMember_2863695020E8E92E6B95C737B40BC492" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_5F4EA9DAFE838283DD48C737B40BB067" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:to="loc_us-gaap_RestructuringCharges_5F4EA9DAFE838283DD48C737B40BB067" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_51A3BB5B4C3F277DC4CDC737B40BF044" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_51A3BB5B4C3F277DC4CDC737B40BF044" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_45DBAE014B0CEE61BDBDC737B40B7BDE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_45DBAE014B0CEE61BDBDC737B40B7BDE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_15A0FFEDF0F67121F664C737B40BDDCC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_44B32A40BE3B110B412CC737B40B5CA7" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_15A0FFEDF0F67121F664C737B40BDDCC" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringOtherRelatedChargesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1EA5D63859DA8BE25526C737B3FB9260" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1EA5D63859DA8BE25526C737B3FB9260" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_ExecutivesNameAxis" xlink:label="loc_car_ExecutivesNameAxis_1E184228AFB534B498B1C737B3FB89DF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1EA5D63859DA8BE25526C737B3FB9260" xlink:to="loc_car_ExecutivesNameAxis_1E184228AFB534B498B1C737B3FB89DF" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_ExecutivesNameDomain" xlink:label="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_ExecutivesNameAxis_1E184228AFB534B498B1C737B3FB89DF" xlink:to="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_ExecutivesNameDomain" xlink:label="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_ExecutivesNameAxis_1E184228AFB534B498B1C737B3FB89DF" xlink:to="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_MichaelK.TuckerMember" xlink:label="loc_car_MichaelK.TuckerMember_B2BAF4C932321BA7D8BEC737B3FB0D18" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929" xlink:to="loc_car_MichaelK.TuckerMember_B2BAF4C932321BA7D8BEC737B3FB0D18" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_MarkJ.ServodidioMember" xlink:label="loc_car_MarkJ.ServodidioMember_19BA862283F15CAD28F3C737B3FB923A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_ExecutivesNameDomain_C0AAC6008A24D4872290C737B3FBF929" xlink:to="loc_car_MarkJ.ServodidioMember_19BA862283F15CAD28F3C737B3FB923A" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_Chargesrelatedtovoluntaryterminationprogram" xlink:label="loc_car_Chargesrelatedtovoluntaryterminationprogram_FD3C136655F43054AD37C737B3FBAD5B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:to="loc_car_Chargesrelatedtovoluntaryterminationprogram_FD3C136655F43054AD37C737B3FBAD5B" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_ChargesrelatedtovoluntaryterminationprogramExpectedNumberofPositionsEliminated" xlink:label="loc_car_ChargesrelatedtovoluntaryterminationprogramExpectedNumberofPositionsEliminated_84DBBEC64837EFE7B83AC74A2BDD5E85" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:to="loc_car_ChargesrelatedtovoluntaryterminationprogramExpectedNumberofPositionsEliminated_84DBBEC64837EFE7B83AC74A2BDD5E85" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_ChargesrelatedtovoluntaryterminationprogramNumberofPositionsEliminated" xlink:label="loc_car_ChargesrelatedtovoluntaryterminationprogramNumberofPositionsEliminated_C1D85A202BC9A14333C0C742998A1E17" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:to="loc_car_ChargesrelatedtovoluntaryterminationprogramNumberofPositionsEliminated_C1D85A202BC9A14333C0C742998A1E17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNonrecurringExpense" xlink:label="loc_us-gaap_OtherNonrecurringExpense_CC87A9C472D29D5343CBC737B3FB449A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_A11E9608B4F83DABA2F0C737B3FB42AB" xlink:to="loc_us-gaap_OtherNonrecurringExpense_CC87A9C472D29D5343CBC737B3FB449A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringSummaryOfChangesToRestructuringRelatedLiabilitiesDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_DEAC558E3BB74DAA37D0C8E1E4F2EE76" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_48D8DDDF7866B1BB9879C8E1E4F22951" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_DEAC558E3BB74DAA37D0C8E1E4F2EE76" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_48D8DDDF7866B1BB9879C8E1E4F22951" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_1631511EBD68F0FA54C3C8E1E4F2F870" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_48D8DDDF7866B1BB9879C8E1E4F22951" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_1631511EBD68F0FA54C3C8E1E4F2F870" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_1631511EBD68F0FA54C3C8E1E4F2F870" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_1631511EBD68F0FA54C3C8E1E4F2F870" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="loc_us-gaap_EmployeeSeveranceMember_08C519BFECEFF48D3186C8E1E4F2F891" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977" xlink:to="loc_us-gaap_EmployeeSeveranceMember_08C519BFECEFF48D3186C8E1E4F2F891" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FacilityClosingMember" xlink:label="loc_us-gaap_FacilityClosingMember_0987A8B85687C0DCE81FC8E1E4F20FB1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977" xlink:to="loc_us-gaap_FacilityClosingMember_0987A8B85687C0DCE81FC8E1E4F20FB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherRestructuringMember" xlink:label="loc_us-gaap_OtherRestructuringMember_FB535AAAF5630669C789C8E1E4F21899" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_C2D9313F7412A9A04C9BC8E1E4F24977" xlink:to="loc_us-gaap_OtherRestructuringMember_FB535AAAF5630669C789C8E1E4F21899" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_0D370ACFAE9054E81B6EC8E1E4F2CECC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_48D8DDDF7866B1BB9879C8E1E4F22951" xlink:to="loc_us-gaap_RestructuringPlanAxis_0D370ACFAE9054E81B6EC8E1E4F2CECC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_0D370ACFAE9054E81B6EC8E1E4F2CECC" xlink:to="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_0D370ACFAE9054E81B6EC8E1E4F2CECC" xlink:to="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_A2020OptimizationMember" xlink:label="loc_car_A2020OptimizationMember_88616E65FAB7C03B50A8C8E1E4F2486D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB" xlink:to="loc_car_A2020OptimizationMember_88616E65FAB7C03B50A8C8E1E4F2486D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_BrazilRestructuringMember" xlink:label="loc_car_BrazilRestructuringMember_B7B48BCC2861B18D5E2BC8E1E4F2B2B5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB" xlink:to="loc_car_BrazilRestructuringMember_B7B48BCC2861B18D5E2BC8E1E4F2B2B5" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_T19RestructuringMember" xlink:label="loc_car_T19RestructuringMember_918A6A90E7981CEE79F3C8E1E4F26843" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_7903A095C1572F540E2FC8E1E4F269CB" xlink:to="loc_car_T19RestructuringMember_918A6A90E7981CEE79F3C8E1E4F26843" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9772827975BBE9C0C483C8E1E4F20FFD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_48D8DDDF7866B1BB9879C8E1E4F22951" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9772827975BBE9C0C483C8E1E4F20FFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9772827975BBE9C0C483C8E1E4F20FFD" xlink:to="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9772827975BBE9C0C483C8E1E4F20FFD" xlink:to="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_FCBE25607DC8AB905C57C8E1E4F259E2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45" xlink:to="loc_srt_AmericasMember_FCBE25607DC8AB905C57C8E1E4F259E2" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalMember" xlink:label="loc_car_InternationalMember_D72B5FB56772BF79A978C8E1E4F2910C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_47068BE788BA9B2916FCC8E1E4F21C45" xlink:to="loc_car_InternationalMember_D72B5FB56772BF79A978C8E1E4F2910C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringReserveRollForward" xlink:label="loc_us-gaap_RestructuringReserveRollForward_D7DDD777626AD9D34FEBC8E1E4F21274" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_DEAC558E3BB74DAA37D0C8E1E4F2EE76" xlink:to="loc_us-gaap_RestructuringReserveRollForward_D7DDD777626AD9D34FEBC8E1E4F21274" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="loc_us-gaap_RestructuringReserve_C842ABB491D3ED251FFFC8E1E4F255E4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D7DDD777626AD9D34FEBC8E1E4F21274" xlink:to="loc_us-gaap_RestructuringReserve_C842ABB491D3ED251FFFC8E1E4F255E4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_B6B161FB5C38392252BCC8E1E4F2C0A8" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D7DDD777626AD9D34FEBC8E1E4F21274" xlink:to="loc_us-gaap_RestructuringCharges_B6B161FB5C38392252BCC8E1E4F2C0A8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="loc_us-gaap_PaymentsForRestructuring_CA976B3E96059D054D33C8E1E4F25AED" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_D7DDD777626AD9D34FEBC8E1E4F21274" xlink:to="loc_us-gaap_PaymentsForRestructuring_CA976B3E96059D054D33C8E1E4F25AED" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformationNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3ECBBFEF4AC15181B9B2712EB0ED4678" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_DA76510700D55693BF2EC9DBDBDE9B38" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ECBBFEF4AC15181B9B2712EB0ED4678" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_DA76510700D55693BF2EC9DBDBDE9B38" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_612FF06174D55612A0D70187C964D4D1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_DA76510700D55693BF2EC9DBDBDE9B38" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_612FF06174D55612A0D70187C964D4D1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_F5ACC60D33901E9B3B2BF8DEBEB38029_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_612FF06174D55612A0D70187C964D4D1" xlink:to="loc_us-gaap_SegmentDomain_F5ACC60D33901E9B3B2BF8DEBEB38029_53F7C198E4905DBBB5F5A3DA2C9C877B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_645E230709A3506AB5BA5749958632F5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_612FF06174D55612A0D70187C964D4D1" xlink:to="loc_us-gaap_SegmentDomain_645E230709A3506AB5BA5749958632F5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_1DBF0AE81C305F259195201009D60FCD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_645E230709A3506AB5BA5749958632F5" xlink:to="loc_srt_AmericasMember_1DBF0AE81C305F259195201009D60FCD" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalMember" xlink:label="loc_car_InternationalMember_3563084732F15CB3BF10C14FE8BC4189" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_645E230709A3506AB5BA5749958632F5" xlink:to="loc_car_InternationalMember_3563084732F15CB3BF10C14FE8BC4189" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SegmentAssetsExclusiveOfAssetsUnderVehicleProgram" xlink:label="loc_car_SegmentAssetsExclusiveOfAssetsUnderVehicleProgram_CA1F9312DC6B5D7E86E654CCF4420FA5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ECBBFEF4AC15181B9B2712EB0ED4678" xlink:to="loc_car_SegmentAssetsExclusiveOfAssetsUnderVehicleProgram_CA1F9312DC6B5D7E86E654CCF4420FA5" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AssetsUnderVehiclePrograms" xlink:label="loc_car_AssetsUnderVehiclePrograms_73DDA8B8387356FCA925B34D18CEB9E2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3ECBBFEF4AC15181B9B2712EB0ED4678" xlink:to="loc_car_AssetsUnderVehiclePrograms_73DDA8B8387356FCA925B34D18CEB9E2" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformationSummaryOfSegmentsInformationDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E274E70E4502B0443B40CC4961E9CE68" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E274E70E4502B0443B40CC4961E9CE68" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionAxis" xlink:label="loc_us-gaap_GeographicDistributionAxis_C62A0E45189CD2F1F73ECC4961E96F55" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E274E70E4502B0443B40CC4961E9CE68" xlink:to="loc_us-gaap_GeographicDistributionAxis_C62A0E45189CD2F1F73ECC4961E96F55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_5063233F091D0F70FD11CC4961EAC032_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_C62A0E45189CD2F1F73ECC4961E96F55" xlink:to="loc_us-gaap_GeographicDistributionDomain_5063233F091D0F70FD11CC4961EAC032_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GeographicDistributionDomain" xlink:label="loc_us-gaap_GeographicDistributionDomain_5063233F091D0F70FD11CC4961EAC032" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_C62A0E45189CD2F1F73ECC4961E96F55" xlink:to="loc_us-gaap_GeographicDistributionDomain_5063233F091D0F70FD11CC4961EAC032" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_829C966922F57F92226DCC4961EAB46C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_5063233F091D0F70FD11CC4961EAC032" xlink:to="loc_srt_AmericasMember_829C966922F57F92226DCC4961EAB46C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_E5AAD66F7EA12B7E0104CC4961EA4C53" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E274E70E4502B0443B40CC4961E9CE68" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_E5AAD66F7EA12B7E0104CC4961EA4C53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_E5AAD66F7EA12B7E0104CC4961EA4C53" xlink:to="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_E5AAD66F7EA12B7E0104CC4961EA4C53" xlink:to="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AmericasMember" xlink:label="loc_srt_AmericasMember_0DC7EA3AA358F3818CF8CC4961EB4EC9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96" xlink:to="loc_srt_AmericasMember_0DC7EA3AA358F3818CF8CC4961EB4EC9" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_InternationalMember" xlink:label="loc_car_InternationalMember_4F778E90DA208367EA73CC4961EBAD25" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96" xlink:to="loc_car_InternationalMember_4F778E90DA208367EA73CC4961EBAD25" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateAndOtherMember" xlink:label="loc_us-gaap_CorporateAndOtherMember_9F2FF827BCF151E77CA3CC4961EBD644" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7E49DA949AAE30E89E95CC4961EAAD96" xlink:to="loc_us-gaap_CorporateAndOtherMember_9F2FF827BCF151E77CA3CC4961EBD644" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AssetsUnderVehiclePrograms" xlink:label="loc_car_AssetsUnderVehiclePrograms_A18345E009828767DA7FCC4961EB1158" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_AssetsUnderVehiclePrograms_A18345E009828767DA7FCC4961EB1158" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_207E3A3D8708BFD8A861CC4961EC4A11" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_Revenues_207E3A3D8708BFD8A861CC4961EC4A11" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization" xlink:label="loc_car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization_1802D383B55D4929F26FCC4961EC7365" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization_1802D383B55D4929F26FCC4961EC7365" xlink:type="arc" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_BF2F764FD2A56943F529CC4961EC7BEE" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_dei_DocumentFiscalYearFocus_BF2F764FD2A56943F529CC4961EC7BEE" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_NonVehicleRelatedDepreciationAndAmortization" xlink:label="loc_car_NonVehicleRelatedDepreciationAndAmortization_7929800CABAED234D71BCC4961ECC7C4" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_NonVehicleRelatedDepreciationAndAmortization_7929800CABAED234D71BCC4961ECC7C4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_C03671B587D3CC59CDECCC4961ECC632" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_InterestExpense_C03671B587D3CC59CDECCC4961ECC632" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_F575B49C58726F98CBD8CC4961EC21B1" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_F575B49C58726F98CBD8CC4961EC21B1" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_Nonoperationalchargesrelatedtoshareholderactivistactivity" xlink:label="loc_car_Nonoperationalchargesrelatedtoshareholderactivistactivity_E8B8F3719E9168839C13CC4961ED5932" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_Nonoperationalchargesrelatedtoshareholderactivistactivity_E8B8F3719E9168839C13CC4961ED5932" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_Transactionrelatedcostsnet" xlink:label="loc_car_Transactionrelatedcostsnet_44F7E0D4AA73DD0B027BCC4961EDE62D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_Transactionrelatedcostsnet_44F7E0D4AA73DD0B027BCC4961EDE62D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_222FA45F74160E4AA975CC4961EDB55E" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_RestructuringCharges_222FA45F74160E4AA975CC4961EDB55E" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_COVID19Charges" xlink:label="loc_car_COVID19Charges_91DCAE38FB94AE3F3321CC4961ED6AC2" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_car_COVID19Charges_91DCAE38FB94AE3F3321CC4961ED6AC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_24675DD0E9D2DC570282CC4961ED4971" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_6AE10531887D77AA3051CC4961EBDCD8" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_24675DD0E9D2DC570282CC4961ED4971" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_756DE2A7CF61F7B66572C8538C961CCA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7DE72A01A5C11A86B86DC8538C8F69A3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_756DE2A7CF61F7B66572C8538C961CCA" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7DE72A01A5C11A86B86DC8538C8F69A3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_23121918C6A49D60B398C8538C90A4AF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7DE72A01A5C11A86B86DC8538C8F69A3" xlink:to="loc_us-gaap_AwardTypeAxis_23121918C6A49D60B398C8538C90A4AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5DED8158679DCC99E73CC8538C9020BA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_23121918C6A49D60B398C8538C90A4AF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5DED8158679DCC99E73CC8538C9020BA_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5DED8158679DCC99E73CC8538C9020BA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_23121918C6A49D60B398C8538C90A4AF" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5DED8158679DCC99E73CC8538C9020BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_71947DE7AA11208CAE63C8538C957FDB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5DED8158679DCC99E73CC8538C9020BA" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_71947DE7AA11208CAE63C8538C957FDB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_TypeOfVestingAxis" xlink:label="loc_car_TypeOfVestingAxis_14224A099465F9496412C8538C95EA97" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7DE72A01A5C11A86B86DC8538C8F69A3" xlink:to="loc_car_TypeOfVestingAxis_14224A099465F9496412C8538C95EA97" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_TypeOfVestingDomain" xlink:label="loc_car_TypeOfVestingDomain_A29752FD3F420250ED02C8538C95AAD6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_TypeOfVestingAxis_14224A099465F9496412C8538C95EA97" xlink:to="loc_car_TypeOfVestingDomain_A29752FD3F420250ED02C8538C95AAD6_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_TypeOfVestingDomain" xlink:label="loc_car_TypeOfVestingDomain_A29752FD3F420250ED02C8538C95AAD6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_TypeOfVestingAxis_14224A099465F9496412C8538C95EA97" xlink:to="loc_car_TypeOfVestingDomain_A29752FD3F420250ED02C8538C95AAD6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_4F9E814B89AC646C1204C8538C96512A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_756DE2A7CF61F7B66572C8538C961CCA" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_4F9E814B89AC646C1204C8538C96512A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_D1B67DB239782732E56AC8538C9651D2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_756DE2A7CF61F7B66572C8538C961CCA" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax_D1B67DB239782732E56AC8538C9651D2" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationStockBasedCompensationActivityDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7D72BDB4E2C407C8455CC6437A68782" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7D72BDB4E2C407C8455CC6437A68782" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_90A04693917BACDDD0ACCC6437A6D7A6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_D7D72BDB4E2C407C8455CC6437A68782" xlink:to="loc_us-gaap_AwardTypeAxis_90A04693917BACDDD0ACCC6437A6D7A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_90A04693917BACDDD0ACCC6437A6D7A6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_90A04693917BACDDD0ACCC6437A6D7A6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="loc_us-gaap_PerformanceSharesMember_495A01C0D66929E0B43CCC6437A6727A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97" xlink:to="loc_us-gaap_PerformanceSharesMember_495A01C0D66929E0B43CCC6437A6727A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_4AF7096B54BC0320C074CC6437A633E1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_C7A716BB01C5D5E040A1CC6437A67E97" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_4AF7096B54BC0320C074CC6437A633E1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_8CA853BAEB9DBC02124ECC6437A64E21" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_8CA853BAEB9DBC02124ECC6437A64E21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A2D6005F2AF058A78386CC6437A65F3C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A2D6005F2AF058A78386CC6437A65F3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_84A1B6E00D24D7BB788FCC6437A6B2E5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_84A1B6E00D24D7BB788FCC6437A6B2E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_879A31BA1734EDC13427CC6437A6147B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_879A31BA1734EDC13427CC6437A6147B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_545EB3C39F94D8CF8C30CC6437A61409" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_545EB3C39F94D8CF8C30CC6437A61409" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_F50A615CA8D38201DED8CC6437A6C160" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_F50A615CA8D38201DED8CC6437A6C160" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_B232BE016740EF2F7C0CCC6437A6D5A6" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_B232BE016740EF2F7C0CCC6437A6D5A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6087B448DD01C6C2C40FCC6437A697D3" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_6087B448DD01C6C2C40FCC6437A697D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_F9672BE9900BCDB53B1CCC6437A60DED" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_F9672BE9900BCDB53B1CCC6437A60DED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF59405AB914FA2582BBCC6437A6220B" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_DF59405AB914FA2582BBCC6437A6220B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_089FEAB0F702A6529254CC6437A61CB1" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_089FEAB0F702A6529254CC6437A61CB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_9B0B1337DDB5AA04614ACC6437A6FA12" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_9B0B1337DDB5AA04614ACC6437A6FA12" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding_60439395E63B690533D3CC6437B608C2" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding_60439395E63B690533D3CC6437B608C2" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue_4AE23BE27AD14553AE3ECC6437B69A5A" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue_4AE23BE27AD14553AE3ECC6437B69A5A" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm_C2117016FE10D6373C1FCC6437B63BB8" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm_C2117016FE10D6373C1FCC6437B63BB8" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest_A7CA966E67CC4F24AF70CC6437B6038C" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_D7C23494ED0C15608B4ECC6437A6647C" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest_A7CA966E67CC4F24AF70CC6437B6038C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationSummaryOfShareBasedPaymentOtherThanOptionsValuationAssumptionsDetail" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquity" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquityAccumulatedOtherComprehensiveIncomeDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityLineItems" xlink:label="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityTable" xlink:label="loc_car_StockholdersEquityTable_DE6162B2D7FC42BB0254CC63442BEC07" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_car_StockholdersEquityTable_DE6162B2D7FC42BB0254CC63442BEC07" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_25D0AC10E5F45E91B408CC63442BB14D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_StockholdersEquityTable_DE6162B2D7FC42BB0254CC63442BEC07" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_25D0AC10E5F45E91B408CC63442BB14D" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D661F31FFD4E944C12ACC63442B31FB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_25D0AC10E5F45E91B408CC63442BB14D" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D661F31FFD4E944C12ACC63442B31FB_default" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain" xlink:label="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D661F31FFD4E944C12ACC63442B31FB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsAxis_25D0AC10E5F45E91B408CC63442BB14D" xlink:to="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D661F31FFD4E944C12ACC63442B31FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementMember" xlink:label="loc_us-gaap_NewAccountingPronouncementMember_495C1817D75F17F0ACE5CC63442BDE02" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsrelatedtoNewAccountingPronouncementsDomain_9D661F31FFD4E944C12ACC63442B31FB" xlink:to="loc_us-gaap_NewAccountingPronouncementMember_495C1817D75F17F0ACE5CC63442BDE02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationAxis" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_69BED6D05A908BB3EEB6CC63443BB1C1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_StockholdersEquityTable_DE6162B2D7FC42BB0254CC63442BEC07" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_69BED6D05A908BB3EEB6CC63443BB1C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_69BED6D05A908BB3EEB6CC63443BB1C1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_69BED6D05A908BB3EEB6CC63443BB1C1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_19E36EBE556164E64265CC63443B1F5A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_19E36EBE556164E64265CC63443B1F5A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3921B1AB732B583F6BCACC63443B79C1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3921B1AB732B583F6BCACC63443B79C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_037FB82005B22B5B2F86CC63443B01D5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_037FB82005B22B5B2F86CC63443B01D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_C0CBCC6B61E21185BFF7CC63443B86E0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ABB2A5C44B3B06C561B8CC63443B29FA" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_C0CBCC6B61E21185BFF7CC63443B86E0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_A8617F9DD116BC4E56DFCC63443BE857" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_StockholdersEquityTable_DE6162B2D7FC42BB0254CC63442BEC07" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_A8617F9DD116BC4E56DFCC63443BE857" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_A8617F9DD116BC4E56DFCC63443BE857" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_A8617F9DD116BC4E56DFCC63443BE857" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_CorporateInterestExpenseMember" xlink:label="loc_car_CorporateInterestExpenseMember_2AECDDB10E66A0F55664CC63443B219F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB" xlink:to="loc_car_CorporateInterestExpenseMember_2AECDDB10E66A0F55664CC63443B219F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_8DD93AF44E93C8BA3A69CC63443B986A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_02D742D749FCD32741D6CC63443B6FBB" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_8DD93AF44E93C8BA3A69CC63443B986A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_78768B02844C24FC50ADCC63443BFD02" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_78768B02844C24FC50ADCC63443BFD02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_ED57A17259B721306BD3CC63443BB155" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_ED57A17259B721306BD3CC63443BB155" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_33DAE1A63DA95D86A56CCC63443B1F43" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_33DAE1A63DA95D86A56CCC63443B1F43" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EBC29820769D76B4866ACC63443BD3D4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax_EBC29820769D76B4866ACC63443BD3D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_74DBD740D6663990B294CC63443B3F4E" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax_74DBD740D6663990B294CC63443B3F4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_10E2E6286CCDC4D6302DCC63443BAE6A" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_10E2E6286CCDC4D6302DCC63443BAE6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2AE7C02D979A2C0AFBA2CC63443BAECC" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_2AE7C02D979A2C0AFBA2CC63443BAECC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AB33033DA71B9EDD60ADCC63443B8052" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AB33033DA71B9EDD60ADCC63443B8052" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_A471E8C3861496CEAEE7CC63443B2C81" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_A471E8C3861496CEAEE7CC63443B2C81" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_0DEA20F4D7BAE6A29408CC63443B039C" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_0DEA20F4D7BAE6A29408CC63443B039C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_0758C0E704DB0D1FFE8DCC63443B9367" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_0758C0E704DB0D1FFE8DCC63443B9367" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax" xlink:label="loc_us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax_04DD2EC3B4E36476310DCC63443B8377" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax_04DD2EC3B4E36476310DCC63443B8377" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_B9EC6D8C8467ED13D06CCC63443BB194" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_B9EC6D8C8467ED13D06CCC63443BB194" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax" xlink:label="loc_car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax_91C341881708C833B774CC63443B6321" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax_91C341881708C833B774CC63443B6321" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_F94D3258BCE8DA1FCD5BCC63443B3C70" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_F94D3258BCE8DA1FCD5BCC63443B3C70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_A992B5365A5650FFB289CC63443B3BED" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax_A992B5365A5650FFB289CC63443B3BED" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentbeforereclassifications" xlink:label="loc_car_OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentbeforereclassifications_71FAD778F8837391D804CC63443BC18C" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_car_OtherComprehensiveIncomeLossNetofTaxPortionAttributabletoParentbeforereclassifications_71FAD778F8837391D804CC63443BC18C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_E3203D0AC6D639EA5C82CC63443B50B5" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_E3203D0AC6D639EA5C82CC63443B50B5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax_E4EF14EBF48D8E695DF8CC63443B8645" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax_E4EF14EBF48D8E695DF8CC63443B8645" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_C5F1F0765F619AF71E6BCC63443B5DCD" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_C5F1F0765F619AF71E6BCC63443B5DCD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_CBD076BDA5E5D0C00473CC63443BAB3F" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_CBD076BDA5E5D0C00473CC63443BAB3F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_E5372C2474ED3E95EC2DCC63443BF7C8" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_AD3BE019F2770E89805ECC63443B2713" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_E5372C2474ED3E95EC2DCC63443BF7C8" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquityComponentsOfOtherComprehensiveIncomeDetail" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9712AA033E5798297170C7A469AFC5D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9712AA033E5798297170C7A469AFC5D3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_03EAB4444542776BEC6EC7A469AFEE91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_9712AA033E5798297170C7A469AFC5D3" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_03EAB4444542776BEC6EC7A469AFEE91" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_03EAB4444542776BEC6EC7A469AFEE91" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_03EAB4444542776BEC6EC7A469AFEE91" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_CorporateInterestExpenseMember" xlink:label="loc_car_CorporateInterestExpenseMember_ADE2930267F5955984A2C7A469AFDC25" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC" xlink:to="loc_car_CorporateInterestExpenseMember_ADE2930267F5955984A2C7A469AFDC25" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_929133090D2581353504C7A469B0D603" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_EB18278E73A63751F0EBC7A469AF52FC" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_929133090D2581353504C7A469B0D603" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_4B73C1102CF4E9B6E70DC7A469B03DBD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_4B73C1102CF4E9B6E70DC7A469B03DBD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_FA2424A26DF739311688C7A469B09557" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_FA2424A26DF739311688C7A469B09557" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_154001B4852269013199C7A469B11ACB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_154001B4852269013199C7A469B11ACB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_B4701EC2E9EF305A5B9CC7A469B14AD6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax_B4701EC2E9EF305A5B9CC7A469B14AD6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_CDAFBA7539FA92D9BA34C7A469B1E55F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_CDAFBA7539FA92D9BA34C7A469B1E55F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_36C43A1B70E0159E845FC7A469B13A26" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_36C43A1B70E0159E845FC7A469B13A26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_571ACABB932BDCAB91A9C7A469B1AD82" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_571ACABB932BDCAB91A9C7A469B1AD82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_24471C22FBEDE50236FBC7A469B155D3" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_24471C22FBEDE50236FBC7A469B155D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_1F3DB5B322BF500E4EB4C7A469B244ED" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_1F3DB5B322BF500E4EB4C7A469B244ED" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_B0A1E26C7E2A0496C8B3C7A469B2E37A" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax_B0A1E26C7E2A0496C8B3C7A469B2E37A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_F3D06FF56F047FA5D74FC7A469B2AC7F" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodTax_F3D06FF56F047FA5D74FC7A469B2AC7F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_91606AD5578B1946751CC7A469B22966" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5C2359DD5A9551027354C7A469B03FED" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_91606AD5578B1946751CC7A469B22966" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquityNarrativeDetail" xlink:type="extended">
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityLineItems" xlink:label="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:type="locator" />
    <link:loc xlink:href="car-20200331.xsd#car_StockholdersEquityTable" xlink:label="loc_car_StockholdersEquityTable_F85C807CB85FB78496F7CC5507EC16E7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_car_StockholdersEquityTable_F85C807CB85FB78496F7CC5507EC16E7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_440ABED472E5B859D8C2CC5507ECCACE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_car_StockholdersEquityTable_F85C807CB85FB78496F7CC5507EC16E7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_440ABED472E5B859D8C2CC5507ECCACE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_1ED7D4ECF972F8F7DB56CC5507ECB9D3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_440ABED472E5B859D8C2CC5507ECCACE" xlink:to="loc_us-gaap_EquityComponentDomain_1ED7D4ECF972F8F7DB56CC5507ECB9D3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_1ED7D4ECF972F8F7DB56CC5507ECB9D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_440ABED472E5B859D8C2CC5507ECCACE" xlink:to="loc_us-gaap_EquityComponentDomain_1ED7D4ECF972F8F7DB56CC5507ECB9D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_AE1BE749B6F6EB5C44D2CC5507EC1E97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_1ED7D4ECF972F8F7DB56CC5507ECB9D3" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_AE1BE749B6F6EB5C44D2CC5507EC1E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AA927BF6B39C40A3DF07CC5507EC1D3A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_AA927BF6B39C40A3DF07CC5507EC1D3A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_F13C8FC6681AA27035FECC5507EC7DA7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_F13C8FC6681AA27035FECC5507EC7DA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_1E69FFCB5C8CFF641BADCC5507ECFE37" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_1E69FFCB5C8CFF641BADCC5507ECFE37" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax" xlink:label="loc_car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax_CCB1916BFD86FCEDB390CC5507EC6D55" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_car_OtherComprehensiveIncomeUnrealizedGainLossOnCashFlowHedgesArisingDuringPeriodNetOfTax_CCB1916BFD86FCEDB390CC5507EC6D55" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_CEE7F8AF49364AA44378CC5507EC0B27" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_CEE7F8AF49364AA44378CC5507EC0B27" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_7FB3AD861EE46F65A12ACC5507ECAB39" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_7FB3AD861EE46F65A12ACC5507ECAB39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_FE5ABB2E6A8D32770256CC5507EC1A6E" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_FE5ABB2E6A8D32770256CC5507EC1A6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_48D71B2EFCEE2C3A502BCC5507ECA1E9" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_48D71B2EFCEE2C3A502BCC5507ECA1E9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_266EABAFCA9C1C4D2AF1CC5507EC7F82" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_266EABAFCA9C1C4D2AF1CC5507EC7F82" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_54A94A2F7D05C873989CCC5507ECEC66" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax_54A94A2F7D05C873989CCC5507ECEC66" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_8EF1EBBC4B1A351414F0CC5507EC71AA" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_8EF1EBBC4B1A351414F0CC5507EC71AA" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_StockRepurchasedDuringPeriodAveragePrice" xlink:label="loc_car_StockRepurchasedDuringPeriodAveragePrice_1AC459731E3A07AAAD74CC5507ECC0A4" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_car_StockRepurchasedDuringPeriodAveragePrice_1AC459731E3A07AAAD74CC5507ECC0A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_F0B678B6785631639BB1CC5507ECFF71" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_StockholdersEquityLineItems_C7CDB2E3D3A7A217E504CC5507ECD143" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_F0B678B6785631639BB1CC5507ECFF71" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquityTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/SubsequentEvents" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_C911F7B10CCD5A79B1B3B5BB28C1B035" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_3C3C8E5659BD5EE0B0D5D361DFBABA1C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_C911F7B10CCD5A79B1B3B5BB28C1B035" xlink:to="loc_us-gaap_SubsequentEventTable_3C3C8E5659BD5EE0B0D5D361DFBABA1C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_4E3DD6A2FC0F5E269D16D771BAFB0A39" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_3C3C8E5659BD5EE0B0D5D361DFBABA1C" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_4E3DD6A2FC0F5E269D16D771BAFB0A39" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_033EB656612DCC88D19C4E2FF9CFBFAA_C5920267801E5276AE1B5678A2643E90" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_4E3DD6A2FC0F5E269D16D771BAFB0A39" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_033EB656612DCC88D19C4E2FF9CFBFAA_C5920267801E5276AE1B5678A2643E90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_C99A485C19B05310AB068FA0B3F4D01B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_4E3DD6A2FC0F5E269D16D771BAFB0A39" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_C99A485C19B05310AB068FA0B3F4D01B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_69472E29CA1E57FB99586CA883089248" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_C911F7B10CCD5A79B1B3B5BB28C1B035" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_69472E29CA1E57FB99586CA883089248" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_91D1090283D847654139C8E1E327FBB4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_3147DB03B61C13ACAEECC8E1E32543B8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_91D1090283D847654139C8E1E327FBB4" xlink:to="loc_us-gaap_SubsequentEventTable_3147DB03B61C13ACAEECC8E1E32543B8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_8C3D4ABFFA759B9B36A2C8E1E325D4AC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_3147DB03B61C13ACAEECC8E1E32543B8" xlink:to="loc_us-gaap_DebtInstrumentAxis_8C3D4ABFFA759B9B36A2C8E1E325D4AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1528F8CA45002BAD886BC8E1E3250265_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_8C3D4ABFFA759B9B36A2C8E1E325D4AC" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1528F8CA45002BAD886BC8E1E3250265_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1528F8CA45002BAD886BC8E1E3250265" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_8C3D4ABFFA759B9B36A2C8E1E325D4AC" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1528F8CA45002BAD886BC8E1E3250265" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_FiveAndOneOverTwoSeniorNotesMember" xlink:label="loc_car_FiveAndOneOverTwoSeniorNotesMember_8259818D14B95398597CC8E1E325153E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_1528F8CA45002BAD886BC8E1E3250265" xlink:to="loc_car_FiveAndOneOverTwoSeniorNotesMember_8259818D14B95398597CC8E1E325153E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_494F254695A41DF43D91C8E1E326D943" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_3147DB03B61C13ACAEECC8E1E32543B8" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_494F254695A41DF43D91C8E1E326D943" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_EDDE10626617249ADF84C8E1E3264B86_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_494F254695A41DF43D91C8E1E326D943" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_EDDE10626617249ADF84C8E1E3264B86_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_EDDE10626617249ADF84C8E1E3264B86" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_494F254695A41DF43D91C8E1E326D943" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_EDDE10626617249ADF84C8E1E3264B86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_C470CBB21C623CB01C05C8E1E32671BB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_EDDE10626617249ADF84C8E1E3264B86" xlink:to="loc_us-gaap_SeniorNotesMember_C470CBB21C623CB01C05C8E1E32671BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_7831DFDB6DFF45D84ED5C8E1E3260556" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_3147DB03B61C13ACAEECC8E1E32543B8" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_7831DFDB6DFF45D84ED5C8E1E3260556" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_B1C5B766E700B1E78D5FC8E1E32704AB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7831DFDB6DFF45D84ED5C8E1E3260556" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_B1C5B766E700B1E78D5FC8E1E32704AB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_B1C5B766E700B1E78D5FC8E1E32704AB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_7831DFDB6DFF45D84ED5C8E1E3260556" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_B1C5B766E700B1E78D5FC8E1E32704AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_58B9743642E3E84CC65AC8E1E3278F17" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_B1C5B766E700B1E78D5FC8E1E32704AB" xlink:to="loc_us-gaap_SubsequentEventMember_58B9743642E3E84CC65AC8E1E3278F17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_C3FC6ADF4B228BABA8E7C8E1E327D5DB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_91D1090283D847654139C8E1E327FBB4" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_C3FC6ADF4B228BABA8E7C8E1E327D5DB" xlink:type="arc" />
    <link:loc xlink:href="car-20200331.xsd#car_VehiclesNet" xlink:label="loc_car_VehiclesNet_11235482D62537F3FAE8C8E1E328B1F1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_91D1090283D847654139C8E1E327FBB4" xlink:to="loc_car_VehiclesNet_11235482D62537F3FAE8C8E1E328B1F1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds" xlink:label="loc_us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds_BC0F4113CE2EFD2EBD73C8E1E3286BFD" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_91D1090283D847654139C8E1E327FBB4" xlink:to="loc_us-gaap_UnusualOrInfrequentItemNetOfInsuranceProceeds_BC0F4113CE2EFD2EBD73C8E1E3286BFD" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.avis.com/role/SubsequentEventsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/VehicleRentalActivities" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/VehicleRentalActivitiesComponentsOfCompanysVehiclesDetail" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/VehicleRentalActivitiesComponentsOfVehicleDepreciationAndLeaseChargesDetail" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.avis.com/role/VehicleRentalActivitiesTables" xlink:type="extended" />
</link:linkbase>
