<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:1b66ed98-de76-4e2b-948c-0dd25ce30328,g:8a93968e-a840-4ade-922e-c6a8eb5b905e-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.avis.com/role/CONSOLIDATEDCONDENSEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="car-20230630.xsd#CONSOLIDATEDCONDENSEDSTATEMENTSOFSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/CONSOLIDATEDCONDENSEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="extended" id="i7481f0f384b149078d9d32992bf2f0e7_CONSOLIDATEDCONDENSEDSTATEMENTSOFSTOCKHOLDERSEQUITY">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_c0f22cc6-2695-43b1-aa60-45c743b53fff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_c0f22cc6-2695-43b1-aa60-45c743b53fff" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_b72671c1-b928-4d1f-82ac-3d0eebcb5cde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_b72671c1-b928-4d1f-82ac-3d0eebcb5cde" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_cd768d4b-0126-493e-81a2-cd1fd3e705bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_cd768d4b-0126-493e-81a2-cd1fd3e705bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_d41104da-1289-4947-b326-3127ea4f7545" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_TreasuryStockCommonShares_d41104da-1289-4947-b326-3127ea4f7545" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_e0a2062a-322e-4fde-adb6-4a9239e80be4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_e0a2062a-322e-4fde-adb6-4a9239e80be4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_e9dfb069-46c1-4eb9-b05e-06ff10fbd0d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_e0a2062a-322e-4fde-adb6-4a9239e80be4" xlink:to="loc_us-gaap_ProfitLoss_e9dfb069-46c1-4eb9-b05e-06ff10fbd0d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_13f99c5a-b0a1-4141-9702-0aa4d2d08f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_e0a2062a-322e-4fde-adb6-4a9239e80be4" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_13f99c5a-b0a1-4141-9702-0aa4d2d08f9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1fcfdce5-2bcf-47d1-a2a1-f7958de92169" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterestAbstract_e0a2062a-322e-4fde-adb6-4a9239e80be4" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_1fcfdce5-2bcf-47d1-a2a1-f7958de92169" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_450cf1c6-adbc-44ef-9eb9-baa0530741dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_450cf1c6-adbc-44ef-9eb9-baa0530741dd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_29ce5bc3-e48a-4d81-9ced-0603c735452f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition_29ce5bc3-e48a-4d81-9ced-0603c735452f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_89c80311-12d2-4c03-8b70-dfb676179706" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_89c80311-12d2-4c03-8b70-dfb676179706" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_ae2d0fda-84dd-41ad-b05f-ae4529ec67d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_395affee-6e47-4831-a616-c3c65fc342a1" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_ae2d0fda-84dd-41ad-b05f-ae4529ec67d5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_4d25afb8-9c84-4243-838a-55e8b91ee31a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_1a26199a-ab04-43b1-b59e-41dc88188aeb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_5c8b7cc9-691a-4ec5-a78b-9cf513e56b53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_85900805-a769-4914-aa21-19a9b6e7c8fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_c0f22cc6-2695-43b1-aa60-45c743b53fff" xlink:to="loc_us-gaap_StatementTable_85900805-a769-4914-aa21-19a9b6e7c8fd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1603adac-a17c-476e-81f6-6dca3845fb92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_85900805-a769-4914-aa21-19a9b6e7c8fd" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1603adac-a17c-476e-81f6-6dca3845fb92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1603adac-a17c-476e-81f6-6dca3845fb92_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1603adac-a17c-476e-81f6-6dca3845fb92" xlink:to="loc_us-gaap_EquityComponentDomain_1603adac-a17c-476e-81f6-6dca3845fb92_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_e18e694b-a230-4f6a-b1bf-865a5bbd1750" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1603adac-a17c-476e-81f6-6dca3845fb92" xlink:to="loc_us-gaap_EquityComponentDomain_e18e694b-a230-4f6a-b1bf-865a5bbd1750" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e18e694b-a230-4f6a-b1bf-865a5bbd1750" xlink:to="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_25de4fa3-13b8-44c5-a9d0-57f3d2699596" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:to="loc_us-gaap_CommonStockMember_25de4fa3-13b8-44c5-a9d0-57f3d2699596" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_8b9b8e39-1219-43a7-abc5-3781fb16c319" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_8b9b8e39-1219-43a7-abc5-3781fb16c319" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_cff02d06-efc5-4436-abf9-6a9b4943c2cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:to="loc_us-gaap_RetainedEarningsMember_cff02d06-efc5-4436-abf9-6a9b4943c2cf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember_a86bfccf-11ee-442c-af9c-57848a799197" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:to="loc_us-gaap_AociIncludingPortionAttributableToNoncontrollingInterestMember_a86bfccf-11ee-442c-af9c-57848a799197" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_6243ad24-286b-4a8e-83f8-8ca04e4fb867" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_cefe4176-d720-4f58-a304-551874240892" xlink:to="loc_us-gaap_TreasuryStockCommonMember_6243ad24-286b-4a8e-83f8-8ca04e4fb867" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_df466ffc-dae3-4386-baa6-167573c49277" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_e18e694b-a230-4f6a-b1bf-865a5bbd1750" xlink:to="loc_us-gaap_NoncontrollingInterestMember_df466ffc-dae3-4386-baa6-167573c49277" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/BasisofPresentationNarrativeDetails" xlink:type="simple" xlink:href="car-20230630.xsd#BasisofPresentationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisofPresentationNarrativeDetails" xlink:type="extended" id="i644fb5693d1544369d7f581c526d3227_BasisofPresentationNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_a442e95c-9dac-4b87-b014-f3a69ce5c6f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_a442e95c-9dac-4b87-b014-f3a69ce5c6f2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown_323f0bd8-7c8f-4cbc-adbd-994fdf9075b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown_323f0bd8-7c8f-4cbc-adbd-994fdf9075b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1_937287ef-8e68-43f2-85ad-9b41fd45d7bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_NoncashOrPartNoncashDivestitureAmountOfConsiderationReceived1_937287ef-8e68-43f2-85ad-9b41fd45d7bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_0f5b2706-f4f4-41a4-a853-63f033d53018" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_0f5b2706-f4f4-41a4-a853-63f033d53018" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_e37fe7ab-889d-4665-b966-0d6045297446" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_e37fe7ab-889d-4665-b966-0d6045297446" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_ab14f8a5-338d-414a-9e11-514963e52605" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment_ab14f8a5-338d-414a-9e11-514963e52605" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4d2c9b15-b837-4a9b-9af0-eddba0b6c728" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4d2c9b15-b837-4a9b-9af0-eddba0b6c728" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_8c0dd3f6-2499-4271-affa-334ddac4c4c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_fe9bc7b1-da4f-49d7-ba75-7636feefd50d" xlink:to="loc_us-gaap_DebtInstrumentTable_8c0dd3f6-2499-4271-affa-334ddac4c4c2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_4273548c-4481-489b-bdf4-b9e0fda2a866" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8c0dd3f6-2499-4271-affa-334ddac4c4c2" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_4273548c-4481-489b-bdf4-b9e0fda2a866" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_4273548c-4481-489b-bdf4-b9e0fda2a866_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_4273548c-4481-489b-bdf4-b9e0fda2a866" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_4273548c-4481-489b-bdf4-b9e0fda2a866_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_9a773c82-55a7-4b2e-a2e9-5e1c0cf74fcc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_4273548c-4481-489b-bdf4-b9e0fda2a866" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_9a773c82-55a7-4b2e-a2e9-5e1c0cf74fcc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_36c8ef0a-084a-494c-89b5-9bed793e0e91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_9a773c82-55a7-4b2e-a2e9-5e1c0cf74fcc" xlink:to="loc_us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember_36c8ef0a-084a-494c-89b5-9bed793e0e91" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_3cc99d1c-6f61-432c-8a9d-3746b44be9c4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8c0dd3f6-2499-4271-affa-334ddac4c4c2" xlink:to="loc_srt_ProductOrServiceAxis_3cc99d1c-6f61-432c-8a9d-3746b44be9c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_3cc99d1c-6f61-432c-8a9d-3746b44be9c4_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_3cc99d1c-6f61-432c-8a9d-3746b44be9c4" xlink:to="loc_srt_ProductsAndServicesDomain_3cc99d1c-6f61-432c-8a9d-3746b44be9c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_085d3d7c-3a92-4014-b821-39b0f1d8c4d5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_3cc99d1c-6f61-432c-8a9d-3746b44be9c4" xlink:to="loc_srt_ProductsAndServicesDomain_085d3d7c-3a92-4014-b821-39b0f1d8c4d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RoyaltyMember_b861ba1e-72ff-4aa0-b277-7f0a47395e82" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RoyaltyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_085d3d7c-3a92-4014-b821-39b0f1d8c4d5" xlink:to="loc_us-gaap_RoyaltyMember_b861ba1e-72ff-4aa0-b277-7f0a47395e82" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/BasisofPresentationDisaggregatedRevenueinBasisofPresentationDetails" xlink:type="simple" xlink:href="car-20230630.xsd#BasisofPresentationDisaggregatedRevenueinBasisofPresentationDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/BasisofPresentationDisaggregatedRevenueinBasisofPresentationDetails" xlink:type="extended" id="i3ac6826c5e894736ade8dc1e75973c69_BasisofPresentationDisaggregatedRevenueinBasisofPresentationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_bfae22a8-a729-4f37-a3b2-5f685d30085d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_4c870031-a15c-4c22-9f63-d68b44960006" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_bfae22a8-a729-4f37-a3b2-5f685d30085d" xlink:to="loc_us-gaap_Revenues_4c870031-a15c-4c22-9f63-d68b44960006" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_3f1c5f15-ba0f-4276-84c9-d4bb1ee1b7c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_bfae22a8-a729-4f37-a3b2-5f685d30085d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_3f1c5f15-ba0f-4276-84c9-d4bb1ee1b7c9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionAxis_32c813fb-33f2-486b-9584-bbbda374faee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_3f1c5f15-ba0f-4276-84c9-d4bb1ee1b7c9" xlink:to="loc_us-gaap_GeographicDistributionAxis_32c813fb-33f2-486b-9584-bbbda374faee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_32c813fb-33f2-486b-9584-bbbda374faee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_32c813fb-33f2-486b-9584-bbbda374faee" xlink:to="loc_us-gaap_GeographicDistributionDomain_32c813fb-33f2-486b-9584-bbbda374faee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_bb5457b0-019b-4f9f-b388-52580368d709" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_32c813fb-33f2-486b-9584-bbbda374faee" xlink:to="loc_us-gaap_GeographicDistributionDomain_bb5457b0-019b-4f9f-b388-52580368d709" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_073932c8-224b-4695-8a11-8fcab4d6adb5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_bb5457b0-019b-4f9f-b388-52580368d709" xlink:to="loc_srt_AmericasMember_073932c8-224b-4695-8a11-8fcab4d6adb5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_ea1eb35e-259a-4367-8193-6ae98449b053" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EMEAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_bb5457b0-019b-4f9f-b388-52580368d709" xlink:to="loc_us-gaap_EMEAMember_ea1eb35e-259a-4367-8193-6ae98449b053" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AsiaandAustralasiaMember_192d4a07-ddbd-4461-ac37-d25de7b43b2e" xlink:href="car-20230630.xsd#car_AsiaandAustralasiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_bb5457b0-019b-4f9f-b388-52580368d709" xlink:to="loc_car_AsiaandAustralasiaMember_192d4a07-ddbd-4461-ac37-d25de7b43b2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_1560d4d0-d41b-42ca-ad46-82a96cc631b7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_3f1c5f15-ba0f-4276-84c9-d4bb1ee1b7c9" xlink:to="loc_srt_ProductOrServiceAxis_1560d4d0-d41b-42ca-ad46-82a96cc631b7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1560d4d0-d41b-42ca-ad46-82a96cc631b7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_1560d4d0-d41b-42ca-ad46-82a96cc631b7" xlink:to="loc_srt_ProductsAndServicesDomain_1560d4d0-d41b-42ca-ad46-82a96cc631b7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_d552eb9a-32e0-4025-a263-2f99d2434484" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_1560d4d0-d41b-42ca-ad46-82a96cc631b7" xlink:to="loc_srt_ProductsAndServicesDomain_d552eb9a-32e0-4025-a263-2f99d2434484" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisMember_ce645f58-a717-4cb7-98ff-d4a2b3c73b5b" xlink:href="car-20230630.xsd#car_AvisMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d552eb9a-32e0-4025-a263-2f99d2434484" xlink:to="loc_car_AvisMember_ce645f58-a717-4cb7-98ff-d4a2b3c73b5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_BudgetMember_e98aeede-6de9-4978-bbf9-47c002ef9923" xlink:href="car-20230630.xsd#car_BudgetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d552eb9a-32e0-4025-a263-2f99d2434484" xlink:to="loc_car_BudgetMember_e98aeede-6de9-4978-bbf9-47c002ef9923" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_OtherBrandsMember_2af4b01e-784a-4c1e-8bca-7a2e1cef14ba" xlink:href="car-20230630.xsd#car_OtherBrandsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_d552eb9a-32e0-4025-a263-2f99d2434484" xlink:to="loc_car_OtherBrandsMember_2af4b01e-784a-4c1e-8bca-7a2e1cef14ba" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/LeasesLessorDetails" xlink:type="simple" xlink:href="car-20230630.xsd#LeasesLessorDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/LeasesLessorDetails" xlink:type="extended" id="i4b5320ddfd554f379933104055cbb10b_LeasesLessorDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorLeaseDescriptionLineItems_813e3164-cf6e-4a48-af34-bbd743b77069" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome_5ddf426d-fdb6-4b40-b9e0-663206f86182" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_813e3164-cf6e-4a48-af34-bbd743b77069" xlink:to="loc_us-gaap_OperatingLeaseLeaseIncome_5ddf426d-fdb6-4b40-b9e0-663206f86182" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorLeaseDescriptionTable_6b9d2e06-7eda-4adc-a28b-147fa39b2a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LessorLeaseDescriptionLineItems_813e3164-cf6e-4a48-af34-bbd743b77069" xlink:to="loc_us-gaap_LessorLeaseDescriptionTable_6b9d2e06-7eda-4adc-a28b-147fa39b2a4e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionAxis_3225c214-1389-4976-8d12-8efc93c22c31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_6b9d2e06-7eda-4adc-a28b-147fa39b2a4e" xlink:to="loc_us-gaap_GeographicDistributionAxis_3225c214-1389-4976-8d12-8efc93c22c31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_3225c214-1389-4976-8d12-8efc93c22c31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GeographicDistributionAxis_3225c214-1389-4976-8d12-8efc93c22c31" xlink:to="loc_us-gaap_GeographicDistributionDomain_3225c214-1389-4976-8d12-8efc93c22c31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicDistributionDomain_d843758a-4bcf-45a4-9244-f9dbc5c8469d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicDistributionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GeographicDistributionAxis_3225c214-1389-4976-8d12-8efc93c22c31" xlink:to="loc_us-gaap_GeographicDistributionDomain_d843758a-4bcf-45a4-9244-f9dbc5c8469d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_56ba00fc-c03a-45bd-8961-b847a713d1af" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_d843758a-4bcf-45a4-9244-f9dbc5c8469d" xlink:to="loc_srt_AmericasMember_56ba00fc-c03a-45bd-8961-b847a713d1af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_f718fc08-0def-4024-b8ac-40f53c7abb8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EMEAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_d843758a-4bcf-45a4-9244-f9dbc5c8469d" xlink:to="loc_us-gaap_EMEAMember_f718fc08-0def-4024-b8ac-40f53c7abb8e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AsiaandAustralasiaMember_407bd564-03da-4468-87dc-bb5c6135247d" xlink:href="car-20230630.xsd#car_AsiaandAustralasiaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GeographicDistributionDomain_d843758a-4bcf-45a4-9244-f9dbc5c8469d" xlink:to="loc_car_AsiaandAustralasiaMember_407bd564-03da-4468-87dc-bb5c6135247d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_d3425867-73bd-41b9-9f60-fcde0047c626" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LessorLeaseDescriptionTable_6b9d2e06-7eda-4adc-a28b-147fa39b2a4e" xlink:to="loc_srt_ProductOrServiceAxis_d3425867-73bd-41b9-9f60-fcde0047c626" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_d3425867-73bd-41b9-9f60-fcde0047c626_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_d3425867-73bd-41b9-9f60-fcde0047c626" xlink:to="loc_srt_ProductsAndServicesDomain_d3425867-73bd-41b9-9f60-fcde0047c626_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_7005d317-5db6-47ad-bec3-d22f40c5d7bc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_d3425867-73bd-41b9-9f60-fcde0047c626" xlink:to="loc_srt_ProductsAndServicesDomain_7005d317-5db6-47ad-bec3-d22f40c5d7bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisMember_b16b7e87-2c3c-4d4e-8c78-561d6128da66" xlink:href="car-20230630.xsd#car_AvisMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_7005d317-5db6-47ad-bec3-d22f40c5d7bc" xlink:to="loc_car_AvisMember_b16b7e87-2c3c-4d4e-8c78-561d6128da66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_BudgetMember_40c0ab69-5bfa-4382-84cc-03c21f1246bb" xlink:href="car-20230630.xsd#car_BudgetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_7005d317-5db6-47ad-bec3-d22f40c5d7bc" xlink:to="loc_car_BudgetMember_40c0ab69-5bfa-4382-84cc-03c21f1246bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_OtherBrandsMember_732b5303-a277-4ccc-b64a-0986b250065f" xlink:href="car-20230630.xsd#car_OtherBrandsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_7005d317-5db6-47ad-bec3-d22f40c5d7bc" xlink:to="loc_car_OtherBrandsMember_732b5303-a277-4ccc-b64a-0986b250065f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringandOtherRelatedChargesNarrativeDetails" xlink:type="simple" xlink:href="car-20230630.xsd#RestructuringandOtherRelatedChargesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringandOtherRelatedChargesNarrativeDetails" xlink:type="extended" id="i2fb4b143f1c74b709d38239b21a5f458_RestructuringandOtherRelatedChargesNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_6e3a4465-1961-4f5a-b008-b9f08677adb4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_a44e0dff-af4e-4b67-80b1-f36a973b897b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_6e3a4465-1961-4f5a-b008-b9f08677adb4" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedNumberOfPositionsEliminated_a44e0dff-af4e-4b67-80b1-f36a973b897b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_d5cbfdd7-e7b9-472b-aee2-0c1b438af536" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_6e3a4465-1961-4f5a-b008-b9f08677adb4" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminated_d5cbfdd7-e7b9-472b-aee2-0c1b438af536" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_73a06de3-2e30-448d-8bc0-7d12800d799b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_6e3a4465-1961-4f5a-b008-b9f08677adb4" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_73a06de3-2e30-448d-8bc0-7d12800d799b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_a2bce4bc-d6ec-405f-88b3-a8c9224923ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_6e3a4465-1961-4f5a-b008-b9f08677adb4" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_a2bce4bc-d6ec-405f-88b3-a8c9224923ec" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_fd226785-84b1-45cf-a0d5-ee914dbfeed5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_a2bce4bc-d6ec-405f-88b3-a8c9224923ec" xlink:to="loc_us-gaap_RestructuringPlanAxis_fd226785-84b1-45cf-a0d5-ee914dbfeed5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_fd226785-84b1-45cf-a0d5-ee914dbfeed5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_fd226785-84b1-45cf-a0d5-ee914dbfeed5" xlink:to="loc_us-gaap_RestructuringPlanDomain_fd226785-84b1-45cf-a0d5-ee914dbfeed5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_6c3140b5-00c5-4d91-835e-61c095acbd92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_fd226785-84b1-45cf-a0d5-ee914dbfeed5" xlink:to="loc_us-gaap_RestructuringPlanDomain_6c3140b5-00c5-4d91-835e-61c095acbd92" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_T22Member_7d0f9f5f-38ed-4f3b-bc43-e54347c84bf3" xlink:href="car-20230630.xsd#car_T22Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_6c3140b5-00c5-4d91-835e-61c095acbd92" xlink:to="loc_car_T22Member_7d0f9f5f-38ed-4f3b-bc43-e54347c84bf3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/RestructuringandOtherRelatedChargesSummaryofChangestoRestructuringRelatedLiabilitiesDetails" xlink:type="simple" xlink:href="car-20230630.xsd#RestructuringandOtherRelatedChargesSummaryofChangestoRestructuringRelatedLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/RestructuringandOtherRelatedChargesSummaryofChangestoRestructuringRelatedLiabilitiesDetails" xlink:type="extended" id="i4db67af97d614185a3e4b68c5761a617_RestructuringandOtherRelatedChargesSummaryofChangestoRestructuringRelatedLiabilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_514bd2ba-e942-49a7-a7e3-db4ad7782324" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveRollForward_28d59e6a-6f9c-4e86-9906-5af0c30d9886" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserveRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_514bd2ba-e942-49a7-a7e3-db4ad7782324" xlink:to="loc_us-gaap_RestructuringReserveRollForward_28d59e6a-6f9c-4e86-9906-5af0c30d9886" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_38d33d41-83de-4b13-9e7a-2a2cd5022393" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_28d59e6a-6f9c-4e86-9906-5af0c30d9886" xlink:to="loc_us-gaap_RestructuringReserve_38d33d41-83de-4b13-9e7a-2a2cd5022393" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_fecec736-0ec8-4884-91f2-a878a8c944f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_28d59e6a-6f9c-4e86-9906-5af0c30d9886" xlink:to="loc_us-gaap_RestructuringCharges_fecec736-0ec8-4884-91f2-a878a8c944f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_RestructuringAndRelatedCostPaymentsUtilization_1df79276-5721-46c5-98c5-0a6227c352d3" xlink:href="car-20230630.xsd#car_RestructuringAndRelatedCostPaymentsUtilization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringReserveRollForward_28d59e6a-6f9c-4e86-9906-5af0c30d9886" xlink:to="loc_car_RestructuringAndRelatedCostPaymentsUtilization_1df79276-5721-46c5-98c5-0a6227c352d3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_c0caaf77-5136-4552-971e-c0433fd92dac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringReserve"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1c30a814-0ca0-4585-9c81-edbcc45e427c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_514bd2ba-e942-49a7-a7e3-db4ad7782324" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1c30a814-0ca0-4585-9c81-edbcc45e427c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanAxis_4e79b448-3580-4b71-816b-43774dd8cbfa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1c30a814-0ca0-4585-9c81-edbcc45e427c" xlink:to="loc_us-gaap_RestructuringPlanAxis_4e79b448-3580-4b71-816b-43774dd8cbfa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_4e79b448-3580-4b71-816b-43774dd8cbfa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_4e79b448-3580-4b71-816b-43774dd8cbfa" xlink:to="loc_us-gaap_RestructuringPlanDomain_4e79b448-3580-4b71-816b-43774dd8cbfa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringPlanDomain_46c2a20e-a4f0-42cb-aa5d-d0c62ca2ff75" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringPlanDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_4e79b448-3580-4b71-816b-43774dd8cbfa" xlink:to="loc_us-gaap_RestructuringPlanDomain_46c2a20e-a4f0-42cb-aa5d-d0c62ca2ff75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_CostOptimizationMember_ad37bd9f-b31a-4520-a166-37d1c87eace3" xlink:href="car-20230630.xsd#car_CostOptimizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_46c2a20e-a4f0-42cb-aa5d-d0c62ca2ff75" xlink:to="loc_car_CostOptimizationMember_ad37bd9f-b31a-4520-a166-37d1c87eace3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_46cdf7c1-6192-42d7-b329-82ee20021be7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_1c30a814-0ca0-4585-9c81-edbcc45e427c" xlink:to="loc_srt_StatementGeographicalAxis_46cdf7c1-6192-42d7-b329-82ee20021be7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_46cdf7c1-6192-42d7-b329-82ee20021be7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_46cdf7c1-6192-42d7-b329-82ee20021be7" xlink:to="loc_srt_SegmentGeographicalDomain_46cdf7c1-6192-42d7-b329-82ee20021be7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_d2256d28-31c2-48b2-bfeb-b49dc8186161" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_46cdf7c1-6192-42d7-b329-82ee20021be7" xlink:to="loc_srt_SegmentGeographicalDomain_d2256d28-31c2-48b2-bfeb-b49dc8186161" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_0cc0986a-55b0-48a3-9cbd-96c7e1ef890b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_d2256d28-31c2-48b2-bfeb-b49dc8186161" xlink:to="loc_srt_AmericasMember_0cc0986a-55b0-48a3-9cbd-96c7e1ef890b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalMember_af0a6e74-50e5-46f5-a73f-a6879c73be19" xlink:href="car-20230630.xsd#car_InternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_d2256d28-31c2-48b2-bfeb-b49dc8186161" xlink:to="loc_car_InternationalMember_af0a6e74-50e5-46f5-a73f-a6879c73be19" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="car-20230630.xsd#EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="extended" id="ic4d60465a8f5460488331259c37aa467_EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_4d804d17-cfea-454d-bf12-6ec3f8310f4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_eae8be01-e833-49d4-b445-6af51bb34451" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_4d804d17-cfea-454d-bf12-6ec3f8310f4d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_eae8be01-e833-49d4-b445-6af51bb34451" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_317ec173-d265-4953-ab9f-bb3315dee9ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_4d804d17-cfea-454d-bf12-6ec3f8310f4d" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_317ec173-d265-4953-ab9f-bb3315dee9ae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2413e17d-342f-4fd1-bf67-a27d84487861" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_317ec173-d265-4953-ab9f-bb3315dee9ae" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2413e17d-342f-4fd1-bf67-a27d84487861" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_2413e17d-342f-4fd1-bf67-a27d84487861_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2413e17d-342f-4fd1-bf67-a27d84487861" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_2413e17d-342f-4fd1-bf67-a27d84487861_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d0094d05-c4f7-4f6d-9697-269e2d12dbae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_2413e17d-342f-4fd1-bf67-a27d84487861" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d0094d05-c4f7-4f6d-9697-269e2d12dbae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_5d3097da-2811-4282-ae28-a72c3bef6009" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_d0094d05-c4f7-4f6d-9697-269e2d12dbae" xlink:to="loc_us-gaap_StockCompensationPlanMember_5d3097da-2811-4282-ae28-a72c3bef6009" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/AcquisitionsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#AcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/AcquisitionsDetails" xlink:type="extended" id="i8d14abbcf69543ddab28a9f896e77c02_AcquisitionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_b5e34cec-a2bd-4d20-a67d-7ad6f7a0cb94" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_b5e34cec-a2bd-4d20-a67d-7ad6f7a0cb94" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions_42dc4c85-4752-48a3-9a3d-2b8d87d047d5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentAdditions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAdditions_42dc4c85-4752-48a3-9a3d-2b8d87d047d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_18b39f2b-1918-4f74-a730-f2befd826931" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_18b39f2b-1918-4f74-a730-f2befd826931" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_219bf0fc-d262-4386-8711-2d47c596864f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_219bf0fc-d262-4386-8711-2d47c596864f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3b4b6c81-8541-45d4-821e-77033e2f3788" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_4d5f35b1-7af0-4fe1-acd5-e2464381d5f7" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3b4b6c81-8541-45d4-821e-77033e2f3788" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3eba275f-84be-4fec-9e40-6fc682343aab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3b4b6c81-8541-45d4-821e-77033e2f3788" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3eba275f-84be-4fec-9e40-6fc682343aab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3eba275f-84be-4fec-9e40-6fc682343aab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3eba275f-84be-4fec-9e40-6fc682343aab" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_3eba275f-84be-4fec-9e40-6fc682343aab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_98016010-7bda-49cd-89c3-485c1f2cc1c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_3eba275f-84be-4fec-9e40-6fc682343aab" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_98016010-7bda-49cd-89c3-485c1f2cc1c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VehiclesMember_4f125e6e-43ad-4496-b8a4-9347970749f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VehiclesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_98016010-7bda-49cd-89c3-485c1f2cc1c1" xlink:to="loc_us-gaap_VehiclesMember_4f125e6e-43ad-4496-b8a4-9347970749f8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_4c96a577-8995-48cf-8f08-8695536e2ea8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_3b4b6c81-8541-45d4-821e-77033e2f3788" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_4c96a577-8995-48cf-8f08-8695536e2ea8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4c96a577-8995-48cf-8f08-8695536e2ea8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_4c96a577-8995-48cf-8f08-8695536e2ea8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_4c96a577-8995-48cf-8f08-8695536e2ea8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_422bed32-f103-431c-87e6-b01c3caa7846" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_4c96a577-8995-48cf-8f08-8695536e2ea8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_422bed32-f103-431c-87e6-b01c3caa7846" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FranchiseRightsMember_85e5ebbe-39f5-4815-b210-dadd5a7d2229" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FranchiseRightsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_422bed32-f103-431c-87e6-b01c3caa7846" xlink:to="loc_us-gaap_FranchiseRightsMember_85e5ebbe-39f5-4815-b210-dadd5a7d2229" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/IntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#IntangibleAssetsScheduleofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/IntangibleAssetsScheduleofIntangibleAssetsDetails" xlink:type="extended" id="i75741186df274267ae00f3b68d06e264_IntangibleAssetsScheduleofIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_e56fdadc-87df-4600-a768-af8a82a87132" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0ce8de68-2bdc-4c71-9919-42f9cbcaad24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_e56fdadc-87df-4600-a768-af8a82a87132" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_0ce8de68-2bdc-4c71-9919-42f9cbcaad24" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b5536109-3b62-43dd-9a86-f1ece840b1f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_e56fdadc-87df-4600-a768-af8a82a87132" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_b5536109-3b62-43dd-9a86-f1ece840b1f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_13d44405-9a2e-4eb2-a63a-723b08cf6c63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_e56fdadc-87df-4600-a768-af8a82a87132" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_13d44405-9a2e-4eb2-a63a-723b08cf6c63" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9df91542-8f25-46e3-a708-49af830c2daf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_e56fdadc-87df-4600-a768-af8a82a87132" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9df91542-8f25-46e3-a708-49af830c2daf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_66723622-577f-40a4-86d6-907ae4776151" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_9df91542-8f25-46e3-a708-49af830c2daf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_66723622-577f-40a4-86d6-907ae4776151" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_66723622-577f-40a4-86d6-907ae4776151_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_66723622-577f-40a4-86d6-907ae4776151" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_66723622-577f-40a4-86d6-907ae4776151_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0532c2b-d981-4b0b-8238-1f87978b3af0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_66723622-577f-40a4-86d6-907ae4776151" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0532c2b-d981-4b0b-8238-1f87978b3af0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_169b5b0f-5d88-43e3-b67f-4bad5f415b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0532c2b-d981-4b0b-8238-1f87978b3af0" xlink:to="loc_us-gaap_LicensingAgreementsMember_169b5b0f-5d88-43e3-b67f-4bad5f415b7c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_e160371b-074e-41c2-94f7-c8db00a373ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0532c2b-d981-4b0b-8238-1f87978b3af0" xlink:to="loc_us-gaap_CustomerRelationshipsMember_e160371b-074e-41c2-94f7-c8db00a373ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_febb7c1c-3582-456e-8fe5-0afa3d9da94d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e0532c2b-d981-4b0b-8238-1f87978b3af0" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_febb7c1c-3582-456e-8fe5-0afa3d9da94d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_f032f149-c981-43fb-a0a0-d556f61fc6c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_1719966d-4fec-4191-b2f9-21f54a59ef1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_f032f149-c981-43fb-a0a0-d556f61fc6c2" xlink:to="loc_us-gaap_Goodwill_1719966d-4fec-4191-b2f9-21f54a59ef1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_97a29956-fd10-4b17-84b1-6df2a42d2703" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_f032f149-c981-43fb-a0a0-d556f61fc6c2" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_97a29956-fd10-4b17-84b1-6df2a42d2703" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_d314a2dd-14bf-481a-9ed7-a6bf0310a131" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_f032f149-c981-43fb-a0a0-d556f61fc6c2" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_d314a2dd-14bf-481a-9ed7-a6bf0310a131" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_27bf3172-79d1-47c9-a7ec-933d7f99c3b0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_d314a2dd-14bf-481a-9ed7-a6bf0310a131" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_27bf3172-79d1-47c9-a7ec-933d7f99c3b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_27bf3172-79d1-47c9-a7ec-933d7f99c3b0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_27bf3172-79d1-47c9-a7ec-933d7f99c3b0" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_27bf3172-79d1-47c9-a7ec-933d7f99c3b0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_f4bdcb9a-e42e-4b8c-bf70-539264026380" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_27bf3172-79d1-47c9-a7ec-933d7f99c3b0" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_f4bdcb9a-e42e-4b8c-bf70-539264026380" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_4583322b-22d3-4df8-a632-3a96a7fcbc2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TrademarksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_f4bdcb9a-e42e-4b8c-bf70-539264026380" xlink:to="loc_us-gaap_TrademarksMember_4583322b-22d3-4df8-a632-3a96a7fcbc2b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/LongtermCorporateDebtandBorrowingArrangementsScheduleofLongTermDebtDetails" xlink:type="simple" xlink:href="car-20230630.xsd#LongtermCorporateDebtandBorrowingArrangementsScheduleofLongTermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongtermCorporateDebtandBorrowingArrangementsScheduleofLongTermDebtDetails" xlink:type="extended" id="if092c090c80641b6b92218d78111552a_LongtermCorporateDebtandBorrowingArrangementsScheduleofLongTermDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7d464653-d343-4fbe-96b7-dcc308e4dac8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_7d464653-d343-4fbe-96b7-dcc308e4dac8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_a8b34f06-f464-49ec-a48f-8491e34ec7a2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_a8b34f06-f464-49ec-a48f-8491e34ec7a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_ec6c322b-25ad-4459-866f-039265793077" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_OtherLongTermDebt_ec6c322b-25ad-4459-866f-039265793077" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_4d0d8623-1d94-4c32-8b8b-833f8cf860a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_4d0d8623-1d94-4c32-8b8b-833f8cf860a4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_95c6d4ec-aba0-44be-bb02-9334db1d586e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_95c6d4ec-aba0-44be-bb02-9334db1d586e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_f33f5dbf-0325-45de-8853-72b8d759668a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermBorrowings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_ShortTermBorrowings_f33f5dbf-0325-45de-8853-72b8d759668a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredLongTermDebt_667c3388-7c8b-4cc4-b879-1c91c7be736b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SecuredLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_SecuredLongTermDebt_667c3388-7c8b-4cc4-b879-1c91c7be736b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_f3fe493b-0133-4cbf-9182-aecde947e647" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_f3fe493b-0133-4cbf-9182-aecde947e647" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_9c9fd941-627b-4d0e-90c5-81d4b02e3412" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_9c9fd941-627b-4d0e-90c5-81d4b02e3412" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAmountOfHedgedItem_29ae5b49-4362-45fc-8869-eecc530abbea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAmountOfHedgedItem"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DerivativeAmountOfHedgedItem_29ae5b49-4362-45fc-8869-eecc530abbea" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_1bee69dc-6147-4054-9a04-b421ce9f10bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DerivativeFixedInterestRate_1bee69dc-6147-4054-9a04-b421ce9f10bc" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f6529769-e1ab-4d8e-ab68-c71e83edaee1" xlink:to="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_fd86c265-ecb6-4aed-8be1-54fb21620f2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:to="loc_us-gaap_DebtInstrumentAxis_fd86c265-ecb6-4aed-8be1-54fb21620f2e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_fd86c265-ecb6-4aed-8be1-54fb21620f2e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_fd86c265-ecb6-4aed-8be1-54fb21620f2e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_fd86c265-ecb6-4aed-8be1-54fb21620f2e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_fd86c265-ecb6-4aed-8be1-54fb21620f2e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember_35f153c8-c79d-4963-99a4-e21a89f38cae" xlink:href="car-20230630.xsd#car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember_35f153c8-c79d-4963-99a4-e21a89f38cae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FourPointFivePercentEuroDenominatedSeniorNotesDue2025Member_adabaae2-0553-42db-a176-5133d6e45217" xlink:href="car-20230630.xsd#car_FourPointFivePercentEuroDenominatedSeniorNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FourPointFivePercentEuroDenominatedSeniorNotesDue2025Member_adabaae2-0553-42db-a176-5133d6e45217" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FourPointSevenFivePercentEuroDenominatedSeniorNotesDue2026Member_9923252d-79a6-408d-abd4-6703d1862448" xlink:href="car-20230630.xsd#car_FourPointSevenFivePercentEuroDenominatedSeniorNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FourPointSevenFivePercentEuroDenominatedSeniorNotesDue2026Member_9923252d-79a6-408d-abd4-6703d1862448" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FivePointSevenFivePercentSeniorNotesDue2027Member_f90ae28e-c2c0-4f43-b534-d740972ce4f0" xlink:href="car-20230630.xsd#car_FivePointSevenFivePercentSeniorNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FivePointSevenFivePercentSeniorNotesDue2027Member_f90ae28e-c2c0-4f43-b534-d740972ce4f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FourPointSevenFivePercentSeniorNotesDue2028Member_684bbe1d-5363-47dd-ba08-08ed96ab55fb" xlink:href="car-20230630.xsd#car_FourPointSevenFivePercentSeniorNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FourPointSevenFivePercentSeniorNotesDue2028Member_684bbe1d-5363-47dd-ba08-08ed96ab55fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FivePointThreeSevenFivePercentSeniorNotesDue2029Member_b74c8d08-1cd6-46cf-85da-ecfef302c53a" xlink:href="car-20230630.xsd#car_FivePointThreeSevenFivePercentSeniorNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FivePointThreeSevenFivePercentSeniorNotesDue2029Member_b74c8d08-1cd6-46cf-85da-ecfef302c53a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FloatingRateTermLoanDueAugustTwoThousandTwentySevenMember_4ee1607d-698e-4775-a310-1aaec5697246" xlink:href="car-20230630.xsd#car_FloatingRateTermLoanDueAugustTwoThousandTwentySevenMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FloatingRateTermLoanDueAugustTwoThousandTwentySevenMember_4ee1607d-698e-4775-a310-1aaec5697246" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FloatingRateTermLoanDueMarchTwoThousandTwentyNineMember_af6dd4da-0499-4ca4-b2bb-d2d83404c4b9" xlink:href="car-20230630.xsd#car_FloatingRateTermLoanDueMarchTwoThousandTwentyNineMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_527f707e-91b0-4cda-aa3f-991de5159d45" xlink:to="loc_car_FloatingRateTermLoanDueMarchTwoThousandTwentyNineMember_af6dd4da-0499-4ca4-b2bb-d2d83404c4b9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:to="loc_us-gaap_VariableRateAxis_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73" xlink:to="loc_us-gaap_VariableRateDomain_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_71b0dc67-0492-47b8-a4dc-25de627172cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_1c1ba280-ef3f-4d8f-92f4-cfcff9365b73" xlink:to="loc_us-gaap_VariableRateDomain_71b0dc67-0492-47b8-a4dc-25de627172cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SecuredOvernightFinancingRateSOFRMember_e1b2f507-7b86-4ddb-9fcc-36a12c0a76e1" xlink:href="car-20230630.xsd#car_SecuredOvernightFinancingRateSOFRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_71b0dc67-0492-47b8-a4dc-25de627172cb" xlink:to="loc_car_SecuredOvernightFinancingRateSOFRMember_e1b2f507-7b86-4ddb-9fcc-36a12c0a76e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_dae0302e-42e7-474d-b293-733f2ab5fcda" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_dae0302e-42e7-474d-b293-733f2ab5fcda" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_dae0302e-42e7-474d-b293-733f2ab5fcda_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_dae0302e-42e7-474d-b293-733f2ab5fcda" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_dae0302e-42e7-474d-b293-733f2ab5fcda_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_20ea9dec-c698-4824-8dd0-b49b0aa88cc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_dae0302e-42e7-474d-b293-733f2ab5fcda" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_20ea9dec-c698-4824-8dd0-b49b0aa88cc7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_8e9c1ad1-6bcb-4656-9239-0b27bd9f1f03" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_20ea9dec-c698-4824-8dd0-b49b0aa88cc7" xlink:to="loc_us-gaap_InterestRateSwapMember_8e9c1ad1-6bcb-4656-9239-0b27bd9f1f03" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_b309ce7f-19a4-4f82-926c-b80bc699c77e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_b309ce7f-19a4-4f82-926c-b80bc699c77e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b309ce7f-19a4-4f82-926c-b80bc699c77e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b309ce7f-19a4-4f82-926c-b80bc699c77e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b309ce7f-19a4-4f82-926c-b80bc699c77e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_3a92ab07-9901-4485-878e-89a0e4aadd19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_b309ce7f-19a4-4f82-926c-b80bc699c77e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_3a92ab07-9901-4485-878e-89a0e4aadd19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_13b78b86-04fd-4921-b99d-b7fe50d2d6dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3a92ab07-9901-4485-878e-89a0e4aadd19" xlink:to="loc_us-gaap_SeniorNotesMember_13b78b86-04fd-4921-b99d-b7fe50d2d6dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansPayableMember_118a8f92-8e1c-4678-b758-d4bae91eb621" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LoansPayableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3a92ab07-9901-4485-878e-89a0e4aadd19" xlink:to="loc_us-gaap_LoansPayableMember_118a8f92-8e1c-4678-b758-d4bae91eb621" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_a3ea6cf6-04e3-4228-adfa-b3ed7d1ebcde" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3a92ab07-9901-4485-878e-89a0e4aadd19" xlink:to="loc_us-gaap_LineOfCreditMember_a3ea6cf6-04e3-4228-adfa-b3ed7d1ebcde" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1e3edd52-c21b-4b92-9d38-81ca331e2da3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_df48cc25-644b-42e6-934a-dcf90c5b0acf" xlink:to="loc_us-gaap_CreditFacilityAxis_1e3edd52-c21b-4b92-9d38-81ca331e2da3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1e3edd52-c21b-4b92-9d38-81ca331e2da3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1e3edd52-c21b-4b92-9d38-81ca331e2da3" xlink:to="loc_us-gaap_CreditFacilityDomain_1e3edd52-c21b-4b92-9d38-81ca331e2da3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_62a208de-622f-4be8-84d6-8882176ab9dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1e3edd52-c21b-4b92-9d38-81ca331e2da3" xlink:to="loc_us-gaap_CreditFacilityDomain_62a208de-622f-4be8-84d6-8882176ab9dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_31cf5aff-4ba8-4fc5-92fd-d4197852755a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_62a208de-622f-4be8-84d6-8882176ab9dc" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_31cf5aff-4ba8-4fc5-92fd-d4197852755a" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/LongtermCorporateDebtandBorrowingArrangementsScheduleofCommittedCreditFacilitiesDetails" xlink:type="simple" xlink:href="car-20230630.xsd#LongtermCorporateDebtandBorrowingArrangementsScheduleofCommittedCreditFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/LongtermCorporateDebtandBorrowingArrangementsScheduleofCommittedCreditFacilitiesDetails" xlink:type="extended" id="i5975e53f510d40e7985ad447c2b13769_LongtermCorporateDebtandBorrowingArrangementsScheduleofCommittedCreditFacilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_90cf25a0-143f-4bd5-85e7-3285ee0b8d9a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_90cf25a0-143f-4bd5-85e7-3285ee0b8d9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_79a46830-38c6-4cd3-84a9-63d712d36524" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_LineOfCredit_79a46830-38c6-4cd3-84a9-63d712d36524" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_e3315f1d-9200-4f0e-b539-b9677fad39ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_e3315f1d-9200-4f0e-b539-b9677fad39ff" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_0ade3fb9-5414-49eb-a614-6bebc4ffae8f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_0ade3fb9-5414-49eb-a614-6bebc4ffae8f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_600914f7-9c12-416b-a384-9fdde1c9ddfc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_600914f7-9c12-416b-a384-9fdde1c9ddfc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_2a816268-2bcc-4508-8b40-315c22d38371" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_f4720d07-482c-4fa4-b060-509e3fb56cd6" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_2a816268-2bcc-4508-8b40-315c22d38371" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_c5743c1a-8935-4ce2-b3e2-9285ad226276" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2a816268-2bcc-4508-8b40-315c22d38371" xlink:to="loc_us-gaap_CreditFacilityAxis_c5743c1a-8935-4ce2-b3e2-9285ad226276" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c5743c1a-8935-4ce2-b3e2-9285ad226276_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_c5743c1a-8935-4ce2-b3e2-9285ad226276" xlink:to="loc_us-gaap_CreditFacilityDomain_c5743c1a-8935-4ce2-b3e2-9285ad226276_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_4d4d2cc1-47a0-4214-bc0f-818f00184c61" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_c5743c1a-8935-4ce2-b3e2-9285ad226276" xlink:to="loc_us-gaap_CreditFacilityDomain_4d4d2cc1-47a0-4214-bc0f-818f00184c61" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_0a81134c-36dc-4153-9989-bfe78ab1d2a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_4d4d2cc1-47a0-4214-bc0f-818f00184c61" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_0a81134c-36dc-4153-9989-bfe78ab1d2a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_bc262c49-befa-479a-984e-37ec1daa12be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2a816268-2bcc-4508-8b40-315c22d38371" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_bc262c49-befa-479a-984e-37ec1daa12be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_bc262c49-befa-479a-984e-37ec1daa12be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_bc262c49-befa-479a-984e-37ec1daa12be" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_bc262c49-befa-479a-984e-37ec1daa12be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_3c8ba608-2294-4af6-b461-f1cb89531acb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_bc262c49-befa-479a-984e-37ec1daa12be" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_3c8ba608-2294-4af6-b461-f1cb89531acb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_925c67e4-4654-40b3-af82-afe3312eea08" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_3c8ba608-2294-4af6-b461-f1cb89531acb" xlink:to="loc_us-gaap_LineOfCreditMember_925c67e4-4654-40b3-af82-afe3312eea08" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_ce89a1e0-b219-4424-8aef-70d01b4eb3d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_2a816268-2bcc-4508-8b40-315c22d38371" xlink:to="loc_us-gaap_VariableRateAxis_ce89a1e0-b219-4424-8aef-70d01b4eb3d7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_ce89a1e0-b219-4424-8aef-70d01b4eb3d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_ce89a1e0-b219-4424-8aef-70d01b4eb3d7" xlink:to="loc_us-gaap_VariableRateDomain_ce89a1e0-b219-4424-8aef-70d01b4eb3d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_ba7dac5c-53eb-4ac3-a980-24e13e7d95c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_ce89a1e0-b219-4424-8aef-70d01b4eb3d7" xlink:to="loc_us-gaap_VariableRateDomain_ba7dac5c-53eb-4ac3-a980-24e13e7d95c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SecuredOvernightFinancingRateSOFRMember_5ce38136-d4a7-4a46-88c6-d1fd798286ed" xlink:href="car-20230630.xsd#car_SecuredOvernightFinancingRateSOFRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_ba7dac5c-53eb-4ac3-a980-24e13e7d95c1" xlink:to="loc_car_SecuredOvernightFinancingRateSOFRMember_5ce38136-d4a7-4a46-88c6-d1fd798286ed" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofDebtUnderVehicleProgramsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofDebtUnderVehicleProgramsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofDebtUnderVehicleProgramsDetails" xlink:type="extended" id="i0119cb89399f41f0b8269bce0eb67ded_DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofDebtUnderVehicleProgramsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_50004a30-e6fc-4b12-8de2-703b7da12d21" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleProgramOutstandingDebt_493cdd1a-6f31-428b-a976-233271c44e21" xlink:href="car-20230630.xsd#car_VehicleProgramOutstandingDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50004a30-e6fc-4b12-8de2-703b7da12d21" xlink:to="loc_car_VehicleProgramOutstandingDebt_493cdd1a-6f31-428b-a976-233271c44e21" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleProgramOutstandingDebtDeferredFinanceCostsNet_124df9e3-d5aa-4b5e-a358-dedb0862fdbf" xlink:href="car-20230630.xsd#car_VehicleProgramOutstandingDebtDeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50004a30-e6fc-4b12-8de2-703b7da12d21" xlink:to="loc_car_VehicleProgramOutstandingDebtDeferredFinanceCostsNet_124df9e3-d5aa-4b5e-a358-dedb0862fdbf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_cd711abf-6d6b-4c54-864d-8a3a6d4227d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50004a30-e6fc-4b12-8de2-703b7da12d21" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_cd711abf-6d6b-4c54-864d-8a3a6d4227d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_aae51133-91cb-4caf-91e8-53bd56b53064" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_50004a30-e6fc-4b12-8de2-703b7da12d21" xlink:to="loc_us-gaap_DebtInstrumentTable_aae51133-91cb-4caf-91e8-53bd56b53064" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_1fdc4d71-07ef-4260-9712-62addb74d56d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_aae51133-91cb-4caf-91e8-53bd56b53064" xlink:to="loc_srt_CounterpartyNameAxis_1fdc4d71-07ef-4260-9712-62addb74d56d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1fdc4d71-07ef-4260-9712-62addb74d56d_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_1fdc4d71-07ef-4260-9712-62addb74d56d" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_1fdc4d71-07ef-4260-9712-62addb74d56d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_20dbdd84-44e8-441c-84ee-e07be0d4a115" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_1fdc4d71-07ef-4260-9712-62addb74d56d" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_20dbdd84-44e8-441c-84ee-e07be0d4a115" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingMember_76fcda21-5011-41d7-84f3-a9b2575fc5df" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_20dbdd84-44e8-441c-84ee-e07be0d4a115" xlink:to="loc_car_AvisBudgetRentalCarFundingMember_76fcda21-5011-41d7-84f3-a9b2575fc5df" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_aae51133-91cb-4caf-91e8-53bd56b53064" xlink:to="loc_us-gaap_DebtInstrumentAxis_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_943e2050-4b48-4ae4-b5f6-39a8e96c3b4e" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_DebtDueToRentalCarFundingMember_9e5bc89e-7267-4e12-b763-5bb2698516a9" xlink:href="car-20230630.xsd#car_DebtDueToRentalCarFundingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_DebtDueToRentalCarFundingMember_9e5bc89e-7267-4e12-b763-5bb2698516a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AmericasDebtBorrowingsMember_0e14cb5d-bf52-4f36-9f58-1cbc1d1deab0" xlink:href="car-20230630.xsd#car_AmericasDebtBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_AmericasDebtBorrowingsMember_0e14cb5d-bf52-4f36-9f58-1cbc1d1deab0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalDebtBorrowingsMember_1bd5d9a6-8a0c-43f4-87a9-a19c402e2e67" xlink:href="car-20230630.xsd#car_InternationalDebtBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_InternationalDebtBorrowingsMember_1bd5d9a6-8a0c-43f4-87a9-a19c402e2e67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalCapitalLeasesMember_bc96fd25-7e93-4d01-8b46-88eb35bdfab1" xlink:href="car-20230630.xsd#car_InternationalCapitalLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_InternationalCapitalLeasesMember_bc96fd25-7e93-4d01-8b46-88eb35bdfab1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_OtherDebtUnderVehicleProgramMember_eb0fd288-fe02-4afe-883f-89526569c58e" xlink:href="car-20230630.xsd#car_OtherDebtUnderVehicleProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_OtherDebtUnderVehicleProgramMember_eb0fd288-fe02-4afe-883f-89526569c58e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleProgramsMember_47c1e494-ffd0-4311-b147-6438a760853b" xlink:href="car-20230630.xsd#car_VehicleProgramsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_73d795d8-150a-454d-a3c0-7e425459f03a" xlink:to="loc_car_VehicleProgramsMember_47c1e494-ffd0-4311-b147-6438a760853b" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsNarrativeDetails" xlink:type="simple" xlink:href="car-20230630.xsd#DebtUnderVehicleProgramsandBorrowingArrangementsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsNarrativeDetails" xlink:type="extended" id="i04208985cd7749ad9c5c1507c7d983c1_DebtUnderVehicleProgramsandBorrowingArrangementsNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_ada5a85c-8c47-4370-8cec-bff748fdafe0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesAtCarryingValue_c65c9097-5d88-455a-9fad-2022ff3a5ca7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetBackedSecuritiesAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ada5a85c-8c47-4370-8cec-bff748fdafe0" xlink:to="loc_us-gaap_AssetBackedSecuritiesAtCarryingValue_c65c9097-5d88-455a-9fad-2022ff3a5ca7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_6e7b2367-8080-49fd-9244-6cfdff0a6027" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ada5a85c-8c47-4370-8cec-bff748fdafe0" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_6e7b2367-8080-49fd-9244-6cfdff0a6027" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_8ab5c4f8-7e0a-42da-a3b3-1a260ae28dfd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_ada5a85c-8c47-4370-8cec-bff748fdafe0" xlink:to="loc_us-gaap_DebtInstrumentTable_8ab5c4f8-7e0a-42da-a3b3-1a260ae28dfd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_156e0d38-e8a3-41de-887f-379d989f27d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8ab5c4f8-7e0a-42da-a3b3-1a260ae28dfd" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_156e0d38-e8a3-41de-887f-379d989f27d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_156e0d38-e8a3-41de-887f-379d989f27d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_156e0d38-e8a3-41de-887f-379d989f27d9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_156e0d38-e8a3-41de-887f-379d989f27d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_156e0d38-e8a3-41de-887f-379d989f27d9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramApril2028Member_0625406c-5765-41c2-a195-0599b4d0cbb2" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramApril2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramApril2028Member_0625406c-5765-41c2-a195-0599b4d0cbb2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramOctober2026Member_530898a3-a034-4fe9-a345-995cea291473" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramOctober2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramOctober2026Member_530898a3-a034-4fe9-a345-995cea291473" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramFebruary2027Member_6164649c-7fbb-4d7e-bc20-cab8cb87d384" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramFebruary2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramFebruary2027Member_6164649c-7fbb-4d7e-bc20-cab8cb87d384" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramJune2028Member_ced8fe36-2041-46b0-9ffb-2f40b0071b65" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramJune2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramJune2028Member_ced8fe36-2041-46b0-9ffb-2f40b0071b65" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramApril2027Member_a45f8e74-f6e1-48bf-b5e5-e0f06fe03fcd" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramApril2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramApril2027Member_a45f8e74-f6e1-48bf-b5e5-e0f06fe03fcd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingProgramDecember2028Member_0d23ad23-4828-450b-abce-7eb42cd74de4" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingProgramDecember2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_95bc1f49-cd14-4f99-a729-8b7e62af5179" xlink:to="loc_car_AvisBudgetRentalCarFundingProgramDecember2028Member_0d23ad23-4828-450b-abce-7eb42cd74de4" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofContractualMaturitiesDetails" xlink:type="simple" xlink:href="car-20230630.xsd#DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofContractualMaturitiesDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofContractualMaturitiesDetails" xlink:type="extended" id="i4915e9702f1a436f9e0cd8e2dc43bce5_DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofContractualMaturitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_7afe556f-aa92-473a-9fc8-ea45ce88068b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_7afe556f-aa92-473a-9fc8-ea45ce88068b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_e50bcf6e-eb7c-4c3a-aa85-973fbf96129b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_e50bcf6e-eb7c-4c3a-aa85-973fbf96129b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_bf1c9b30-1f7a-4442-832b-cc7163ac306b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_bf1c9b30-1f7a-4442-832b-cc7163ac306b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_dc91b434-1c8a-45e0-942d-e332ac375a07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_dc91b434-1c8a-45e0-942d-e332ac375a07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_5204df8e-b377-4230-8a3b-f7638a6f898d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_5204df8e-b377-4230-8a3b-f7638a6f898d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_LongTermDebtMaturityAfterYearFour_7219bcf4-a6d5-4521-987b-76382717d7c3" xlink:href="car-20230630.xsd#car_LongTermDebtMaturityAfterYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_car_LongTermDebtMaturityAfterYearFour_7219bcf4-a6d5-4521-987b-76382717d7c3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_f24170e4-dcaf-4e29-ac85-572862cc422e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_LongTermDebt_f24170e4-dcaf-4e29-ac85-572862cc422e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_c66cc2b3-6fa2-40d1-bde5-21c3a569e8f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_530cba02-9f30-4a78-9c23-e0a5bc4c8a8d" xlink:to="loc_us-gaap_DebtInstrumentTable_c66cc2b3-6fa2-40d1-bde5-21c3a569e8f4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_19d06471-a60c-401f-b720-5f19fd3a3240" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c66cc2b3-6fa2-40d1-bde5-21c3a569e8f4" xlink:to="loc_us-gaap_DebtInstrumentAxis_19d06471-a60c-401f-b720-5f19fd3a3240" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_19d06471-a60c-401f-b720-5f19fd3a3240_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_19d06471-a60c-401f-b720-5f19fd3a3240" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_19d06471-a60c-401f-b720-5f19fd3a3240_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_fd20d498-3166-42b7-b4d3-a3809d065df5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_19d06471-a60c-401f-b720-5f19fd3a3240" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_fd20d498-3166-42b7-b4d3-a3809d065df5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleProgramsMember_d92fe097-2aec-4557-a816-bed0d138a4ea" xlink:href="car-20230630.xsd#car_VehicleProgramsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_fd20d498-3166-42b7-b4d3-a3809d065df5" xlink:to="loc_car_VehicleProgramsMember_d92fe097-2aec-4557-a816-bed0d138a4ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_7e2b4773-f08f-4061-ac83-c09c637f0b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_c66cc2b3-6fa2-40d1-bde5-21c3a569e8f4" xlink:to="loc_us-gaap_CreditFacilityAxis_7e2b4773-f08f-4061-ac83-c09c637f0b6e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_7e2b4773-f08f-4061-ac83-c09c637f0b6e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_7e2b4773-f08f-4061-ac83-c09c637f0b6e" xlink:to="loc_us-gaap_CreditFacilityDomain_7e2b4773-f08f-4061-ac83-c09c637f0b6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_a902a503-d407-4f73-9b59-3f41ea49d156" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_7e2b4773-f08f-4061-ac83-c09c637f0b6e" xlink:to="loc_us-gaap_CreditFacilityDomain_a902a503-d407-4f73-9b59-3f41ea49d156" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_BankAndBankSponsoredFacilitiesMember_f9fabffc-27ea-413e-93f2-f71c4f73dc51" xlink:href="car-20230630.xsd#car_BankAndBankSponsoredFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_a902a503-d407-4f73-9b59-3f41ea49d156" xlink:to="loc_car_BankAndBankSponsoredFacilitiesMember_f9fabffc-27ea-413e-93f2-f71c4f73dc51" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofAvailableFundingUndertheVehicleProgramsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofAvailableFundingUndertheVehicleProgramsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofAvailableFundingUndertheVehicleProgramsDetails" xlink:type="extended" id="id19bd90822ed40cab2376b96c999b05a_DebtUnderVehicleProgramsandBorrowingArrangementsScheduleofAvailableFundingUndertheVehicleProgramsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_b5a2b2b5-fa39-4fc7-aee0-9ab1dca216d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_e44e0fa0-d2fa-4201-ad62-7d4ba712103c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b5a2b2b5-fa39-4fc7-aee0-9ab1dca216d4" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_e44e0fa0-d2fa-4201-ad62-7d4ba712103c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCredit_f24141db-bbec-4398-be17-fb477815568a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b5a2b2b5-fa39-4fc7-aee0-9ab1dca216d4" xlink:to="loc_us-gaap_LineOfCredit_f24141db-bbec-4398-be17-fb477815568a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_9c4e46ce-06e6-4f78-bf65-83cdbf82ebd3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b5a2b2b5-fa39-4fc7-aee0-9ab1dca216d4" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_9c4e46ce-06e6-4f78-bf65-83cdbf82ebd3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_fb3c4211-193d-4fe2-825e-dff9d19870df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b5a2b2b5-fa39-4fc7-aee0-9ab1dca216d4" xlink:to="loc_us-gaap_DebtInstrumentTable_fb3c4211-193d-4fe2-825e-dff9d19870df" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_96814656-4813-4c60-97bf-f0121bac17e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_fb3c4211-193d-4fe2-825e-dff9d19870df" xlink:to="loc_us-gaap_DebtInstrumentAxis_96814656-4813-4c60-97bf-f0121bac17e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_96814656-4813-4c60-97bf-f0121bac17e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_96814656-4813-4c60-97bf-f0121bac17e9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_96814656-4813-4c60-97bf-f0121bac17e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_96814656-4813-4c60-97bf-f0121bac17e9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_DebtDueToRentalCarFundingMember_0cb1cbac-e565-41be-be4e-a1606eb4730b" xlink:href="car-20230630.xsd#car_DebtDueToRentalCarFundingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:to="loc_car_DebtDueToRentalCarFundingMember_0cb1cbac-e565-41be-be4e-a1606eb4730b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AmericasDebtBorrowingsMember_08483b67-d9cd-40f6-a08f-0ad4b1f868df" xlink:href="car-20230630.xsd#car_AmericasDebtBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:to="loc_car_AmericasDebtBorrowingsMember_08483b67-d9cd-40f6-a08f-0ad4b1f868df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalDebtBorrowingsMember_ba603c56-171a-47ef-8d40-6900be2bb104" xlink:href="car-20230630.xsd#car_InternationalDebtBorrowingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:to="loc_car_InternationalDebtBorrowingsMember_ba603c56-171a-47ef-8d40-6900be2bb104" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalCapitalLeasesMember_ee1d6127-69c4-4a51-9cb8-57064398e2ac" xlink:href="car-20230630.xsd#car_InternationalCapitalLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:to="loc_car_InternationalCapitalLeasesMember_ee1d6127-69c4-4a51-9cb8-57064398e2ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_OtherDebtUnderVehicleProgramMember_fc1c2a47-07c7-40fc-b1ec-fc9640265e8c" xlink:href="car-20230630.xsd#car_OtherDebtUnderVehicleProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_e4c4434a-c0f9-439e-ab5a-55c9782971db" xlink:to="loc_car_OtherDebtUnderVehicleProgramMember_fc1c2a47-07c7-40fc-b1ec-fc9640265e8c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f3591d8e-0843-48c7-9163-39fb87bf67c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_fb3c4211-193d-4fe2-825e-dff9d19870df" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f3591d8e-0843-48c7-9163-39fb87bf67c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_f3591d8e-0843-48c7-9163-39fb87bf67c3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f3591d8e-0843-48c7-9163-39fb87bf67c3" xlink:to="loc_us-gaap_RelatedPartyDomain_f3591d8e-0843-48c7-9163-39fb87bf67c3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_3576ec4b-b189-4a6c-aaa8-4ed464a5401c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_f3591d8e-0843-48c7-9163-39fb87bf67c3" xlink:to="loc_us-gaap_RelatedPartyDomain_3576ec4b-b189-4a6c-aaa8-4ed464a5401c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_63e052f3-65a0-42db-916b-9bb9e35d8758" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_3576ec4b-b189-4a6c-aaa8-4ed464a5401c" xlink:to="loc_srt_AffiliatedEntityMember_63e052f3-65a0-42db-916b-9bb9e35d8758" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8581bdab-a6fa-4540-a34e-036cf60d9d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_fb3c4211-193d-4fe2-825e-dff9d19870df" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8581bdab-a6fa-4540-a34e-036cf60d9d0e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8581bdab-a6fa-4540-a34e-036cf60d9d0e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8581bdab-a6fa-4540-a34e-036cf60d9d0e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8581bdab-a6fa-4540-a34e-036cf60d9d0e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_bc3157f3-d9a0-4827-9008-66d0b5ad1258" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8581bdab-a6fa-4540-a34e-036cf60d9d0e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_bc3157f3-d9a0-4827-9008-66d0b5ad1258" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_674de2b7-31f3-49e3-8eac-7117fbb60778" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_bc3157f3-d9a0-4827-9008-66d0b5ad1258" xlink:to="loc_us-gaap_SecuredDebtMember_674de2b7-31f3-49e3-8eac-7117fbb60778" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="car-20230630.xsd#CommitmentsandContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/CommitmentsandContingenciesDetails" xlink:type="extended" id="i821def6d829f4819acc5b4ab283df511_CommitmentsandContingenciesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_LossContingencyLiabilityAssumedPercent_14ab01d4-9deb-4e40-967e-c1e90b653c5d" xlink:href="car-20230630.xsd#car_LossContingencyLiabilityAssumedPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_car_LossContingencyLiabilityAssumedPercent_14ab01d4-9deb-4e40-967e-c1e90b653c5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNewClaimsFiledNumber_a65be224-0432-4064-9339-e8e579be4b72" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNewClaimsFiledNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_LossContingencyNewClaimsFiledNumber_a65be224-0432-4064-9339-e8e579be4b72" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_a18c4b08-5ff1-4882-b636-83f2f5994f12" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_LossContingencyRangeOfPossibleLossPortionNotAccrued_a18c4b08-5ff1-4882-b636-83f2f5994f12" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear_c2549885-45d6-4ae4-a8f3-aaa0158b585c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_RecordedUnconditionalPurchaseObligationDueWithinOneYear_c2549885-45d6-4ae4-a8f3-aaa0158b585c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod_aceb889a-f6f7-493f-a673-7659f94baaad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermPurchaseCommitmentPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_LongtermPurchaseCommitmentPeriod_aceb889a-f6f7-493f-a673-7659f94baaad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_LongTermPurchaseCommitmentPeriodIncreaseDecrease_8b4aa391-3ec1-4af9-99aa-e90c22af597c" xlink:href="car-20230630.xsd#car_LongTermPurchaseCommitmentPeriodIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_car_LongTermPurchaseCommitmentPeriodIncreaseDecrease_8b4aa391-3ec1-4af9-99aa-e90c22af597c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables_aa8d332f-d936-4a8a-8110-f816b101e46a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_OtherReceivables_aa8d332f-d936-4a8a-8110-f816b101e46a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_285df0f7-4551-4e20-9224-62630660f39a" xlink:to="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_1f16a6c2-167c-4568-952b-aec1ac2adb32" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:to="loc_dei_LegalEntityAxis_1f16a6c2-167c-4568-952b-aec1ac2adb32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1f16a6c2-167c-4568-952b-aec1ac2adb32_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_1f16a6c2-167c-4568-952b-aec1ac2adb32" xlink:to="loc_dei_EntityDomain_1f16a6c2-167c-4568-952b-aec1ac2adb32_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_1f16a6c2-167c-4568-952b-aec1ac2adb32" xlink:to="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_RealEstateIncMember_ac904c0d-d347-4557-bc4b-50c2e12fa39e" xlink:href="car-20230630.xsd#car_RealEstateIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:to="loc_car_RealEstateIncMember_ac904c0d-d347-4557-bc4b-50c2e12fa39e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_WyndhamHotelsAndResortsIncAndTravelLeisureCoMember_5e016089-abc3-4a54-95f2-f1bc1ba48c6b" xlink:href="car-20230630.xsd#car_WyndhamHotelsAndResortsIncAndTravelLeisureCoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:to="loc_car_WyndhamHotelsAndResortsIncAndTravelLeisureCoMember_5e016089-abc3-4a54-95f2-f1bc1ba48c6b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_RealogyCorporationMember_72d5e055-915d-46cf-aaf8-d37660462006" xlink:href="car-20230630.xsd#car_RealogyCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:to="loc_car_RealogyCorporationMember_72d5e055-915d-46cf-aaf8-d37660462006" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_WyndhamWorldwideCorporationMember_fefe5f40-d78f-4d72-a867-388956f02cb6" xlink:href="car-20230630.xsd#car_WyndhamWorldwideCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_cd716e2c-b338-4078-b32d-83bd9b3a426c" xlink:to="loc_car_WyndhamWorldwideCorporationMember_fefe5f40-d78f-4d72-a867-388956f02cb6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingenciesByNatureAxis_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainContingenciesByNatureAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:to="loc_us-gaap_GainContingenciesByNatureAxis_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977" xlink:to="loc_us-gaap_GainContingencyNatureDomain_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainContingencyNatureDomain_4ae010c4-d426-47b7-aba5-e94687df9e88" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_GainContingenciesByNatureAxis_f6c3d3d9-1c4b-4e69-9fa2-08a90fc93977" xlink:to="loc_us-gaap_GainContingencyNatureDomain_4ae010c4-d426-47b7-aba5-e94687df9e88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_TaxLiabilityMember_05470e83-1b2d-4284-b2b3-860859ebab0a" xlink:href="car-20230630.xsd#car_TaxLiabilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GainContingencyNatureDomain_4ae010c4-d426-47b7-aba5-e94687df9e88" xlink:to="loc_car_TaxLiabilityMember_05470e83-1b2d-4284-b2b3-860859ebab0a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_321244ae-bae9-45c2-a320-f5bdfd314cd0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_321244ae-bae9-45c2-a320-f5bdfd314cd0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_321244ae-bae9-45c2-a320-f5bdfd314cd0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_321244ae-bae9-45c2-a320-f5bdfd314cd0" xlink:to="loc_us-gaap_LossContingencyNatureDomain_321244ae-bae9-45c2-a320-f5bdfd314cd0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_51c11fc1-fef4-4948-96a6-d57c2ee26935" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_321244ae-bae9-45c2-a320-f5bdfd314cd0" xlink:to="loc_us-gaap_LossContingencyNatureDomain_51c11fc1-fef4-4948-96a6-d57c2ee26935" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_BreachOfContractMember_0b7a5b42-d2f7-42c9-96d9-6a9ff2da5934" xlink:href="car-20230630.xsd#car_BreachOfContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_51c11fc1-fef4-4948-96a6-d57c2ee26935" xlink:to="loc_car_BreachOfContractMember_0b7a5b42-d2f7-42c9-96d9-6a9ff2da5934" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FinesAndFeesChargedToRentersMember_737a337c-8390-4681-a353-6a208f2fd3e2" xlink:href="car-20230630.xsd#car_FinesAndFeesChargedToRentersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_51c11fc1-fef4-4948-96a6-d57c2ee26935" xlink:to="loc_car_FinesAndFeesChargedToRentersMember_737a337c-8390-4681-a353-6a208f2fd3e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_f1a6457f-685e-4178-bbe7-952e8ec33c9f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_9f46b3b3-99ed-4171-b829-13b1ba2f3d43" xlink:to="loc_srt_LitigationCaseAxis_f1a6457f-685e-4178-bbe7-952e8ec33c9f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_f1a6457f-685e-4178-bbe7-952e8ec33c9f_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_f1a6457f-685e-4178-bbe7-952e8ec33c9f" xlink:to="loc_srt_LitigationCaseTypeDomain_f1a6457f-685e-4178-bbe7-952e8ec33c9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_2d059898-e26e-41b0-8fca-45f7a2df258f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_f1a6457f-685e-4178-bbe7-952e8ec33c9f" xlink:to="loc_srt_LitigationCaseTypeDomain_2d059898-e26e-41b0-8fca-45f7a2df258f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_JoseMendezVAvisBudgetGroupIncMember_6fecda55-e3a3-4b41-bec1-96788367e53b" xlink:href="car-20230630.xsd#car_JoseMendezVAvisBudgetGroupIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_2d059898-e26e-41b0-8fca-45f7a2df258f" xlink:to="loc_car_JoseMendezVAvisBudgetGroupIncMember_6fecda55-e3a3-4b41-bec1-96788367e53b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/StockholdersEquityAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="car-20230630.xsd#StockholdersEquityAccumulatedOtherComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockholdersEquityAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended" id="id5dfa20d6dda4923ad8c3a503d4596af_StockholdersEquityAccumulatedOtherComprehensiveIncomeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7ff01b63-bd62-456b-83e6-f10b3d58660a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AOCIAttributableToParentNetOfTaxRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7ff01b63-bd62-456b-83e6-f10b3d58660a" xlink:to="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ebe82a10-d870-4867-884a-e784e0b7f351" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_ebe82a10-d870-4867-884a-e784e0b7f351" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_2244a9f8-1ae1-4206-b4c2-0fc1d8857290" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_2244a9f8-1ae1-4206-b4c2-0fc1d8857290" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_34acb517-69e1-42d6-bfda-64d5366752bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_34acb517-69e1-42d6-bfda-64d5366752bc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_10f68df2-4ae1-4d6d-b91c-4ed015b29400" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AOCIAttributableToParentNetOfTaxRollForward_a0572283-fe5e-45dd-a1d2-8079d744daf1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_10f68df2-4ae1-4d6d-b91c-4ed015b29400" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_09beed4a-6ded-4a10-8538-905d955b11ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax_5c04280d-e1a4-42b0-89c8-6af58f038f04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7ff01b63-bd62-456b-83e6-f10b3d58660a" xlink:to="loc_us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax_5c04280d-e1a4-42b0-89c8-6af58f038f04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_203f21d6-ab09-420a-bfea-31878397170e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7ff01b63-bd62-456b-83e6-f10b3d58660a" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_203f21d6-ab09-420a-bfea-31878397170e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_d95c06b1-e284-4893-90f3-9a56c3b41789" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_7ff01b63-bd62-456b-83e6-f10b3d58660a" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_d75cdc64-b106-490e-a2a4-13c9374da16b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_d75cdc64-b106-490e-a2a4-13c9374da16b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_d75cdc64-b106-490e-a2a4-13c9374da16b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_d75cdc64-b106-490e-a2a4-13c9374da16b" xlink:to="loc_us-gaap_EquityComponentDomain_d75cdc64-b106-490e-a2a4-13c9374da16b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_d75cdc64-b106-490e-a2a4-13c9374da16b" xlink:to="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_f0fab660-3c3d-4388-a144-a7187631c25c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_f0fab660-3c3d-4388-a144-a7187631c25c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_026b8b43-828d-4ea9-9f6a-6bb643499e7a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_026b8b43-828d-4ea9-9f6a-6bb643499e7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_9af6009f-5e2a-4a61-91a3-7d7a04fcc2cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_9af6009f-5e2a-4a61-91a3-7d7a04fcc2cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b341a6e0-fcdc-49e4-9967-486c83e5d1aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_48082cd1-6840-437c-9a44-e99986b91afe" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b341a6e0-fcdc-49e4-9967-486c83e5d1aa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_68e2bdaf-6241-4583-8257-f7022e1c66d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_68e2bdaf-6241-4583-8257-f7022e1c66d1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_68e2bdaf-6241-4583-8257-f7022e1c66d1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_68e2bdaf-6241-4583-8257-f7022e1c66d1" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_68e2bdaf-6241-4583-8257-f7022e1c66d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_4ddeadcd-71e3-42e1-ba3d-e4fa39793e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_68e2bdaf-6241-4583-8257-f7022e1c66d1" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_4ddeadcd-71e3-42e1-ba3d-e4fa39793e7d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_CorporateInterestExpenseMember_dbe39279-e5c8-439f-8c23-03a097c18ea0" xlink:href="car-20230630.xsd#car_CorporateInterestExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4ddeadcd-71e3-42e1-ba3d-e4fa39793e7d" xlink:to="loc_car_CorporateInterestExpenseMember_dbe39279-e5c8-439f-8c23-03a097c18ea0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_29a9684e-cbf7-41c2-9db7-4b6a301f01a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_4ddeadcd-71e3-42e1-ba3d-e4fa39793e7d" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_29a9684e-cbf7-41c2-9db7-4b6a301f01a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_af232010-141a-4e39-83a5-3a1265b6c2b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_af232010-141a-4e39-83a5-3a1265b6c2b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_af232010-141a-4e39-83a5-3a1265b6c2b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_af232010-141a-4e39-83a5-3a1265b6c2b4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_af232010-141a-4e39-83a5-3a1265b6c2b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_437aa915-1c8a-49b7-8e7d-fa477b55dd30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_af232010-141a-4e39-83a5-3a1265b6c2b4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_437aa915-1c8a-49b7-8e7d-fa477b55dd30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_02bd97da-cdef-48d8-adb5-969c4a402c63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_437aa915-1c8a-49b7-8e7d-fa477b55dd30" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_02bd97da-cdef-48d8-adb5-969c4a402c63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_d7440d93-af67-448c-b8a4-df0907d5e249" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_481320dd-2dac-4cf5-a455-adf5c25e209e" xlink:to="loc_us-gaap_HedgingDesignationAxis_d7440d93-af67-448c-b8a4-df0907d5e249" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_d7440d93-af67-448c-b8a4-df0907d5e249_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_d7440d93-af67-448c-b8a4-df0907d5e249" xlink:to="loc_us-gaap_HedgingDesignationDomain_d7440d93-af67-448c-b8a4-df0907d5e249_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_f0bcdb58-3d3b-42f7-a467-2032a539577c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_d7440d93-af67-448c-b8a4-df0907d5e249" xlink:to="loc_us-gaap_HedgingDesignationDomain_f0bcdb58-3d3b-42f7-a467-2032a539577c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_d143c8f1-31f6-4113-ae4a-b240578bf3aa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_f0bcdb58-3d3b-42f7-a467-2032a539577c" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_d143c8f1-31f6-4113-ae4a-b240578bf3aa" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/RelatedPartyTransactionsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#RelatedPartyTransactionsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/RelatedPartyTransactionsDetails" xlink:type="extended" id="idfbdbd1392464868bd65c85cc0f4e2d6_RelatedPartyTransactionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_0dfc4116-a883-4dde-96d2-ef250ff993b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest_0dfc4116-a883-4dde-96d2-ef250ff993b2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_c710a762-78a4-4c7a-b16a-d6ac26afe161" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_c710a762-78a4-4c7a-b16a-d6ac26afe161" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_385225b4-9715-4245-ba05-0a3a9ce4e343" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_MinorityInterest_385225b4-9715-4245-ba05-0a3a9ce4e343" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_a840f7ff-3518-4a9e-96d1-9fd625ce1f5f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_Assets_a840f7ff-3518-4a9e-96d1-9fd625ce1f5f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeconsolidationGainOrLossAmount_a86bf9d5-1ea2-4f59-a834-7141421efd06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeconsolidationGainOrLossAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_DeconsolidationGainOrLossAmount_a86bf9d5-1ea2-4f59-a834-7141421efd06" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_38f5c76e-37c8-41cc-8970-fc559ffb6fc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_38f5c76e-37c8-41cc-8970-fc559ffb6fc4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehiclesNet_b1a976ea-4d5e-4820-9d4d-7b8f2b008707" xlink:href="car-20230630.xsd#car_VehiclesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_car_VehiclesNet_b1a976ea-4d5e-4820-9d4d-7b8f2b008707" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleNetInvestmentInLeaseReceivables_1012a86a-318a-413d-8447-3f8336711abc" xlink:href="car-20230630.xsd#car_VehicleNetInvestmentInLeaseReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_car_VehicleNetInvestmentInLeaseReceivables_1012a86a-318a-413d-8447-3f8336711abc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_5094cd8c-e8f7-4764-90f1-f4e041aa21c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_5094cd8c-e8f7-4764-90f1-f4e041aa21c4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_dc273e12-14f8-4b36-890a-9d82f95ab8e9" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_ac9496a6-f118-481e-953d-d11bebeba868" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_srt_OwnershipAxis_ac9496a6-f118-481e-953d-d11bebeba868" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_ac9496a6-f118-481e-953d-d11bebeba868_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_ac9496a6-f118-481e-953d-d11bebeba868" xlink:to="loc_srt_OwnershipDomain_ac9496a6-f118-481e-953d-d11bebeba868_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_98e8cd68-0687-4a90-8293-d7248b658b1a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_ac9496a6-f118-481e-953d-d11bebeba868" xlink:to="loc_srt_OwnershipDomain_98e8cd68-0687-4a90-8293-d7248b658b1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SubsidiaryEquityMember_fb889244-7b43-41e6-8c31-63e84c2500fb" xlink:href="car-20230630.xsd#car_SubsidiaryEquityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_98e8cd68-0687-4a90-8293-d7248b658b1a" xlink:to="loc_car_SubsidiaryEquityMember_fb889244-7b43-41e6-8c31-63e84c2500fb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_dei_LegalEntityAxis_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6" xlink:to="loc_dei_EntityDomain_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_68b24eeb-bb59-47f7-9cba-2db7c23c8170" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_a5c7c4e3-4761-4121-ad26-bf8a3b8fa4a6" xlink:to="loc_dei_EntityDomain_68b24eeb-bb59-47f7-9cba-2db7c23c8170" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SRSMobilityVenturesLLCMember_065949b8-fd46-41b7-b029-b7739fda9378" xlink:href="car-20230630.xsd#car_SRSMobilityVenturesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_68b24eeb-bb59-47f7-9cba-2db7c23c8170" xlink:to="loc_car_SRSMobilityVenturesLLCMember_065949b8-fd46-41b7-b029-b7739fda9378" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_67d0cd5c-cd57-4078-8e8f-185a1040fdc3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_67d0cd5c-cd57-4078-8e8f-185a1040fdc3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_67d0cd5c-cd57-4078-8e8f-185a1040fdc3_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_67d0cd5c-cd57-4078-8e8f-185a1040fdc3" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_67d0cd5c-cd57-4078-8e8f-185a1040fdc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_0fa9d0f4-838b-415a-bcc8-25a2be415cba" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_67d0cd5c-cd57-4078-8e8f-185a1040fdc3" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_0fa9d0f4-838b-415a-bcc8-25a2be415cba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SRSMobilityVenturesLLCMember_17125d59-d759-43fb-ac86-7e1d5f77e0e8" xlink:href="car-20230630.xsd#car_SRSMobilityVenturesLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_0fa9d0f4-838b-415a-bcc8-25a2be415cba" xlink:to="loc_car_SRSMobilityVenturesLLCMember_17125d59-d759-43fb-ac86-7e1d5f77e0e8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_CompanySubsidiaryMember_c2f45976-2016-480b-b083-6318b5e41e58" xlink:href="car-20230630.xsd#car_CompanySubsidiaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_0fa9d0f4-838b-415a-bcc8-25a2be415cba" xlink:to="loc_car_CompanySubsidiaryMember_c2f45976-2016-480b-b083-6318b5e41e58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisMobilityVenturesLLCAMVMember_9df53989-c0ab-4323-b63f-3a7fee4ce533" xlink:href="car-20230630.xsd#car_AvisMobilityVenturesLLCAMVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_0fa9d0f4-838b-415a-bcc8-25a2be415cba" xlink:to="loc_car_AvisMobilityVenturesLLCAMVMember_9df53989-c0ab-4323-b63f-3a7fee4ce533" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_srt_CounterpartyNameAxis_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4e891f78-8b98-4682-98ea-ec5b956d63be" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_2a17fb6f-40c2-405f-9e8c-bb9b5ecd37e0" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4e891f78-8b98-4682-98ea-ec5b956d63be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisMobilityVenturesLLCAMVMember_51699693-e610-47e1-95a6-aeee5a07edcd" xlink:href="car-20230630.xsd#car_AvisMobilityVenturesLLCAMVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4e891f78-8b98-4682-98ea-ec5b956d63be" xlink:to="loc_car_AvisMobilityVenturesLLCAMVMember_51699693-e610-47e1-95a6-aeee5a07edcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_c86a8e7d-ab76-4429-b9fc-54d28782bf6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_c86a8e7d-ab76-4429-b9fc-54d28782bf6e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_c86a8e7d-ab76-4429-b9fc-54d28782bf6e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_c86a8e7d-ab76-4429-b9fc-54d28782bf6e" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_c86a8e7d-ab76-4429-b9fc-54d28782bf6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_4f63f843-4e0b-4563-9e0a-d862d97c4159" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_c86a8e7d-ab76-4429-b9fc-54d28782bf6e" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_4f63f843-4e0b-4563-9e0a-d862d97c4159" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AdministrativeServicesMember_70f7aece-b9d7-45df-b7f8-88af3ed5259d" xlink:href="car-20230630.xsd#car_AdministrativeServicesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_4f63f843-4e0b-4563-9e0a-d862d97c4159" xlink:to="loc_car_AdministrativeServicesMember_70f7aece-b9d7-45df-b7f8-88af3ed5259d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_ReceivablesFromRelatedPartyMember_8286b959-cd84-4a7b-b9d6-80486cd5a555" xlink:href="car-20230630.xsd#car_ReceivablesFromRelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_4f63f843-4e0b-4563-9e0a-d862d97c4159" xlink:to="loc_car_ReceivablesFromRelatedPartyMember_8286b959-cd84-4a7b-b9d6-80486cd5a555" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_EquipmentInvestmentMember_89998c38-d1b4-44c3-91b5-a561782b22e2" xlink:href="car-20230630.xsd#car_EquipmentInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_4f63f843-4e0b-4563-9e0a-d862d97c4159" xlink:to="loc_car_EquipmentInvestmentMember_89998c38-d1b4-44c3-91b5-a561782b22e2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_ce0f011b-b500-4402-a434-528260736ddb" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc" xlink:to="loc_us-gaap_RelatedPartyDomain_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_8e7190d2-3eb1-4ccb-8566-cdb2ce75c3c2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_e796557b-7ec2-4d8c-ac5e-351b8cfa04bc" xlink:to="loc_us-gaap_RelatedPartyDomain_8e7190d2-3eb1-4ccb-8566-cdb2ce75c3c2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_32adc7aa-9fbb-408c-9307-6d9eb1688749" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_8e7190d2-3eb1-4ccb-8566-cdb2ce75c3c2" xlink:to="loc_srt_AffiliatedEntityMember_32adc7aa-9fbb-408c-9307-6d9eb1688749" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyMember_b6c75be1-10cf-4ecc-a805-487eb8215dbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RelatedPartyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_8e7190d2-3eb1-4ccb-8566-cdb2ce75c3c2" xlink:to="loc_us-gaap_RelatedPartyMember_b6c75be1-10cf-4ecc-a805-487eb8215dbf" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationAssumptionsUsedDetails" xlink:type="simple" xlink:href="car-20230630.xsd#StockBasedCompensationAssumptionsUsedDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationAssumptionsUsedDetails" xlink:type="extended" id="i931b2d12356a433a9f8b9fc07376b7f6_StockBasedCompensationAssumptionsUsedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_f9f2f990-91d7-48e1-a91b-87c42916c3b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_f9f2f990-91d7-48e1-a91b-87c42916c3b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1421f98a-d251-458a-9d25-245b070eb49f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_1421f98a-d251-458a-9d25-245b070eb49f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_950e01af-7dd6-4e6d-8621-07193d751d41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_950e01af-7dd6-4e6d-8621-07193d751d41" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1570f285-c237-46e4-8042-544a57dbfb91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_1570f285-c237-46e4-8042-544a57dbfb91" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d316bcd4-9007-4c37-8453-45fb3e26ec99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fe878e33-dfd0-450d-b582-243886194745" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d316bcd4-9007-4c37-8453-45fb3e26ec99" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_2cd8a2f0-d440-4520-998c-3a5d493907ee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_d316bcd4-9007-4c37-8453-45fb3e26ec99" xlink:to="loc_us-gaap_AwardTypeAxis_2cd8a2f0-d440-4520-998c-3a5d493907ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2cd8a2f0-d440-4520-998c-3a5d493907ee_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_2cd8a2f0-d440-4520-998c-3a5d493907ee" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_2cd8a2f0-d440-4520-998c-3a5d493907ee_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_feb53a07-aa9d-4ba2-a80c-f956c14a0e64" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_2cd8a2f0-d440-4520-998c-3a5d493907ee" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_feb53a07-aa9d-4ba2-a80c-f956c14a0e64" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_aa2733f6-d3e5-413c-bde7-4583d4f54e81" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_feb53a07-aa9d-4ba2-a80c-f956c14a0e64" xlink:to="loc_us-gaap_PerformanceSharesMember_aa2733f6-d3e5-413c-bde7-4583d4f54e81" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/StockBasedCompensationStockBasedCompensationActivityDetails" xlink:type="simple" xlink:href="car-20230630.xsd#StockBasedCompensationStockBasedCompensationActivityDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/StockBasedCompensationStockBasedCompensationActivityDetails" xlink:type="extended" id="if24de48665494c2f9ac603e3a082a8a1_StockBasedCompensationStockBasedCompensationActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_adee446b-7b13-4027-9a46-86729c0e043c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_adee446b-7b13-4027-9a46-86729c0e043c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_e2b7f720-3aee-41eb-a152-36a8c14e6e4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_e2b7f720-3aee-41eb-a152-36a8c14e6e4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_e3aa2de4-4a38-4502-b34d-5e8da39d1438" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_e3aa2de4-4a38-4502-b34d-5e8da39d1438" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_b7a693f4-eb94-4615-a1fa-582513a711b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_94eae383-64d5-4c27-aaeb-9f7ec2e2d763" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_b7a693f4-eb94-4615-a1fa-582513a711b5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_12979a3c-ac60-4c03-93bb-c6b2c06ffd3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding_52dc322d-8419-446f-b92b-13560b339f0a" xlink:href="car-20230630.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestNumberofSharesOutstanding_52dc322d-8419-446f-b92b-13560b339f0a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_a1725f7e-1ce9-4451-b166-347e1863d733" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_a1725f7e-1ce9-4451-b166-347e1863d733" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_31b1cb79-20c3-4dd7-bed5-7b5f8684a77d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_31b1cb79-20c3-4dd7-bed5-7b5f8684a77d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_42dd1a04-393d-41b3-89a5-33cf9c58a665" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_42dd1a04-393d-41b3-89a5-33cf9c58a665" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_c38e99f2-c0f3-43b3-bdb4-a9ab7fbac3b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_879d44d9-a2c5-4ff7-a0df-6d541558e65e" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_c38e99f2-c0f3-43b3-bdb4-a9ab7fbac3b8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_a800b0d9-98b7-425b-8d1f-67a060447839" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue_afa2e976-5c71-4e87-954f-80652481224d" xlink:href="car-20230630.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageGrantDateFairValue_afa2e976-5c71-4e87-954f-80652481224d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm_3451b600-7bc7-4e75-8c44-ec36356072d2" xlink:href="car-20230630.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedtoVestWeightedAverageRemainingContractualTerm_3451b600-7bc7-4e75-8c44-ec36356072d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_b5699a27-4719-4b19-85bb-5508acf55700" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_b5699a27-4719-4b19-85bb-5508acf55700" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest_14cf0806-456f-4ac3-9bee-9ea1d0381c46" xlink:href="car-20230630.xsd#car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_car_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsAggregateIntrinsicValueExpectedtoVest_14cf0806-456f-4ac3-9bee-9ea1d0381c46" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_b0e50cd2-e640-4a26-8aeb-15f7d332820e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_b0e50cd2-e640-4a26-8aeb-15f7d332820e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_6854bd3a-c85a-4213-8d66-32f92b3b7486" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_6854bd3a-c85a-4213-8d66-32f92b3b7486" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_be81309f-651d-48e3-9fec-d6861342447a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_be81309f-651d-48e3-9fec-d6861342447a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_b767dbdb-23d4-4f0c-9e47-e13662617c24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_b767dbdb-23d4-4f0c-9e47-e13662617c24" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7847f228-f22d-4604-b52e-2793767295cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ab60357-cdc3-4752-bed0-f36bda753610" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7847f228-f22d-4604-b52e-2793767295cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7847f228-f22d-4604-b52e-2793767295cb" xlink:to="loc_us-gaap_AwardTypeAxis_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6af9403a-555c-4021-96ec-32d0a8e50229" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3fd93a93-78ed-4ff9-a03d-1bda5375c8f6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6af9403a-555c-4021-96ec-32d0a8e50229" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_b783005c-1a8c-4935-9f7b-a2f62c4cad1a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6af9403a-555c-4021-96ec-32d0a8e50229" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_b783005c-1a8c-4935-9f7b-a2f62c4cad1a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember_827abda4-fea9-4c6f-b3f2-232d44346643" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6af9403a-555c-4021-96ec-32d0a8e50229" xlink:to="loc_us-gaap_PerformanceSharesMember_827abda4-fea9-4c6f-b3f2-232d44346643" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsNotationalAmountsofDerivativesHeldDetails" xlink:type="simple" xlink:href="car-20230630.xsd#FinancialInstrumentsNotationalAmountsofDerivativesHeldDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsNotationalAmountsofDerivativesHeldDetails" xlink:type="extended" id="i40c6458322bf486fb0240c32825883fe_FinancialInstrumentsNotationalAmountsofDerivativesHeldDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_d28b0cbb-40ae-467f-9687-23929cb97d5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_b6d85d81-6ecf-47e1-aaed-745e5371bff9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_d28b0cbb-40ae-467f-9687-23929cb97d5e" xlink:to="loc_us-gaap_DerivativeNotionalAmount_b6d85d81-6ecf-47e1-aaed-745e5371bff9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_68b9d30f-fb31-43d0-85de-7af2acdf3d66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_d28b0cbb-40ae-467f-9687-23929cb97d5e" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_68b9d30f-fb31-43d0-85de-7af2acdf3d66" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_2c174f35-0b8a-42d4-a971-b70784c3f847" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_68b9d30f-fb31-43d0-85de-7af2acdf3d66" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_2c174f35-0b8a-42d4-a971-b70784c3f847" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_2c174f35-0b8a-42d4-a971-b70784c3f847_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_2c174f35-0b8a-42d4-a971-b70784c3f847" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_2c174f35-0b8a-42d4-a971-b70784c3f847_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_2c174f35-0b8a-42d4-a971-b70784c3f847" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrencySwapMember_2de194b9-253d-4dbf-b281-87f60f61eeee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CurrencySwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:to="loc_us-gaap_CurrencySwapMember_2de194b9-253d-4dbf-b281-87f60f61eeee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InterestRateCapsMember_2621df3c-dde3-4c20-ae38-d89178ea7ce6" xlink:href="car-20230630.xsd#car_InterestRateCapsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:to="loc_car_InterestRateCapsMember_2621df3c-dde3-4c20-ae38-d89178ea7ce6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_88733f7f-75e3-404d-9e08-955690bb191c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:to="loc_us-gaap_InterestRateSwapMember_88733f7f-75e3-404d-9e08-955690bb191c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SoldMember_c8ecde7b-afe5-4b43-94c9-094a792afa92" xlink:href="car-20230630.xsd#car_SoldMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:to="loc_car_SoldMember_c8ecde7b-afe5-4b43-94c9-094a792afa92" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_PurchaseMember_889c8237-b8eb-4e6a-9dea-0880f62a815a" xlink:href="car-20230630.xsd#car_PurchaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_2c302271-cfd8-4a08-8d91-30ffc818628a" xlink:to="loc_car_PurchaseMember_889c8237-b8eb-4e6a-9dea-0880f62a815a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_925d51c4-da56-4ca0-92d0-78b647df5470" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_68b9d30f-fb31-43d0-85de-7af2acdf3d66" xlink:to="loc_srt_ConsolidatedEntitiesAxis_925d51c4-da56-4ca0-92d0-78b647df5470" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_925d51c4-da56-4ca0-92d0-78b647df5470_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidatedEntitiesAxis_925d51c4-da56-4ca0-92d0-78b647df5470" xlink:to="loc_srt_ConsolidatedEntitiesDomain_925d51c4-da56-4ca0-92d0-78b647df5470_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_d3a9ea7f-60ff-40d6-806a-878b418ac492" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidatedEntitiesAxis_925d51c4-da56-4ca0-92d0-78b647df5470" xlink:to="loc_srt_ConsolidatedEntitiesDomain_d3a9ea7f-60ff-40d6-806a-878b418ac492" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SubsidiariesMember_aea84114-704b-4140-9c63-76e73e3f5129" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SubsidiariesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidatedEntitiesDomain_d3a9ea7f-60ff-40d6-806a-878b418ac492" xlink:to="loc_srt_SubsidiariesMember_aea84114-704b-4140-9c63-76e73e3f5129" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsFairValuesofDerivativesInstrumentsDetails" xlink:type="simple" xlink:href="car-20230630.xsd#FinancialInstrumentsFairValuesofDerivativesInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsFairValuesofDerivativesInstrumentsDetails" xlink:type="extended" id="i8298aa959c9444afb54442df510bce13_FinancialInstrumentsFairValuesofDerivativesInstrumentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9b6fe3f1-0a37-4401-89ea-623269370ada" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_59b9016c-5882-4bca-a429-2d31c387d365" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9b6fe3f1-0a37-4401-89ea-623269370ada" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_59b9016c-5882-4bca-a429-2d31c387d365" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_ec8ea5d0-9b41-4c43-a61e-6510df8823f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9b6fe3f1-0a37-4401-89ea-623269370ada" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral_ec8ea5d0-9b41-4c43-a61e-6510df8823f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_cafee16f-9abf-4a52-a623-b34029bbe311" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_9b6fe3f1-0a37-4401-89ea-623269370ada" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_cafee16f-9abf-4a52-a623-b34029bbe311" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_07acc78f-267c-4ced-9e32-47be8d00ca31" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_cafee16f-9abf-4a52-a623-b34029bbe311" xlink:to="loc_us-gaap_HedgingDesignationAxis_07acc78f-267c-4ced-9e32-47be8d00ca31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_07acc78f-267c-4ced-9e32-47be8d00ca31_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_07acc78f-267c-4ced-9e32-47be8d00ca31" xlink:to="loc_us-gaap_HedgingDesignationDomain_07acc78f-267c-4ced-9e32-47be8d00ca31_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_267a1ea2-ce40-46d9-bafa-0661f3f688e9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_07acc78f-267c-4ced-9e32-47be8d00ca31" xlink:to="loc_us-gaap_HedgingDesignationDomain_267a1ea2-ce40-46d9-bafa-0661f3f688e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_04eb6cbb-9bbe-465c-987c-cf9f649737c7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_267a1ea2-ce40-46d9-bafa-0661f3f688e9" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_04eb6cbb-9bbe-465c-987c-cf9f649737c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_c5823a18-4dc7-4c7f-947c-79ee803356da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_267a1ea2-ce40-46d9-bafa-0661f3f688e9" xlink:to="loc_us-gaap_NondesignatedMember_c5823a18-4dc7-4c7f-947c-79ee803356da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_61aaa281-0518-4b7c-a854-a22f201c25d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_cafee16f-9abf-4a52-a623-b34029bbe311" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_61aaa281-0518-4b7c-a854-a22f201c25d8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_61aaa281-0518-4b7c-a854-a22f201c25d8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_61aaa281-0518-4b7c-a854-a22f201c25d8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_61aaa281-0518-4b7c-a854-a22f201c25d8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_aa211c8e-099d-4ee8-a4aa-fd010b8706e2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_61aaa281-0518-4b7c-a854-a22f201c25d8" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_aa211c8e-099d-4ee8-a4aa-fd010b8706e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_a7311f7f-3036-419e-871e-42fe8c04da87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_aa211c8e-099d-4ee8-a4aa-fd010b8706e2" xlink:to="loc_us-gaap_InterestRateSwapMember_a7311f7f-3036-419e-871e-42fe8c04da87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_693fc036-e6cf-412d-90dd-d83144249d85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_aa211c8e-099d-4ee8-a4aa-fd010b8706e2" xlink:to="loc_us-gaap_ForeignExchangeContractMember_693fc036-e6cf-412d-90dd-d83144249d85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_7570bb21-0d7b-4d69-ba3f-1a11e4cf317f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_aa211c8e-099d-4ee8-a4aa-fd010b8706e2" xlink:to="loc_us-gaap_InterestRateContractMember_7570bb21-0d7b-4d69-ba3f-1a11e4cf317f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsEffectsofDerivativesRecognizedDetails" xlink:type="simple" xlink:href="car-20230630.xsd#FinancialInstrumentsEffectsofDerivativesRecognizedDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsEffectsofDerivativesRecognizedDetails" xlink:type="extended" id="id0ce897c366d4277a51f2d8d80bccd90_FinancialInstrumentsEffectsofDerivativesRecognizedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_730d3a27-dc97-4fe3-9fed-2f843a7b3a13" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_fffac271-610a-4f4a-9a3e-3d804bb4dc02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_730d3a27-dc97-4fe3-9fed-2f843a7b3a13" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_fffac271-610a-4f4a-9a3e-3d804bb4dc02" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_94ed0b37-9d29-4928-a90b-921d17c9a206" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresLineItems_730d3a27-dc97-4fe3-9fed-2f843a7b3a13" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_94ed0b37-9d29-4928-a90b-921d17c9a206" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_b74943b3-cc05-4633-92be-81411de12e9f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_94ed0b37-9d29-4928-a90b-921d17c9a206" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_b74943b3-cc05-4633-92be-81411de12e9f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_b74943b3-cc05-4633-92be-81411de12e9f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b74943b3-cc05-4633-92be-81411de12e9f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_b74943b3-cc05-4633-92be-81411de12e9f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_b74943b3-cc05-4633-92be-81411de12e9f" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_cafb6f6e-9f00-4d07-a3b0-98c8ebabccfc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:to="loc_us-gaap_InterestRateSwapMember_cafb6f6e-9f00-4d07-a3b0-98c8ebabccfc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_EuroDenominatedNotesMember_3c75d5aa-40fb-4a09-834e-0029ca9a9d68" xlink:href="car-20230630.xsd#car_EuroDenominatedNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:to="loc_car_EuroDenominatedNotesMember_3c75d5aa-40fb-4a09-834e-0029ca9a9d68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeForwardMember_de8f1c3b-07ef-4518-9e29-0d54d3c37560" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForeignExchangeForwardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:to="loc_us-gaap_ForeignExchangeForwardMember_de8f1c3b-07ef-4518-9e29-0d54d3c37560" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_13a7f996-3385-4b41-9d65-8178e4b90579" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_7f2ec003-3ebf-4b4c-be24-db01315b3c3d" xlink:to="loc_us-gaap_InterestRateContractMember_13a7f996-3385-4b41-9d65-8178e4b90579" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_e07446f6-f6a8-4374-b167-d99e1009fa8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosuresTable_94ed0b37-9d29-4928-a90b-921d17c9a206" xlink:to="loc_us-gaap_HedgingDesignationAxis_e07446f6-f6a8-4374-b167-d99e1009fa8c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_e07446f6-f6a8-4374-b167-d99e1009fa8c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_e07446f6-f6a8-4374-b167-d99e1009fa8c" xlink:to="loc_us-gaap_HedgingDesignationDomain_e07446f6-f6a8-4374-b167-d99e1009fa8c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_8169a32a-651e-4b0d-8d41-87da41a86569" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_e07446f6-f6a8-4374-b167-d99e1009fa8c" xlink:to="loc_us-gaap_HedgingDesignationDomain_8169a32a-651e-4b0d-8d41-87da41a86569" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9b74a3f5-1d4f-415b-8e7d-50d126b561a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_8169a32a-651e-4b0d-8d41-87da41a86569" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_9b74a3f5-1d4f-415b-8e7d-50d126b561a3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_7923fd9b-bd9c-4566-a8a9-e4f3ada9f791" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_8169a32a-651e-4b0d-8d41-87da41a86569" xlink:to="loc_us-gaap_NondesignatedMember_7923fd9b-bd9c-4566-a8a9-e4f3ada9f791" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/FinancialInstrumentsScheduleofCarryingAmountsandEstimatedFairValuesDetails" xlink:type="simple" xlink:href="car-20230630.xsd#FinancialInstrumentsScheduleofCarryingAmountsandEstimatedFairValuesDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/FinancialInstrumentsScheduleofCarryingAmountsandEstimatedFairValuesDetails" xlink:type="extended" id="i1838a6b25ffe4904b240ede078e59c2a_FinancialInstrumentsScheduleofCarryingAmountsandEstimatedFairValuesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_434af61f-ae23-447e-82de-cff64f888c66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:to="loc_us-gaap_LongTermDebtCurrent_434af61f-ae23-447e-82de-cff64f888c66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_851c8a08-b9be-4be5-942f-756c6dbf5a19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_851c8a08-b9be-4be5-942f-756c6dbf5a19" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_d7fcee3c-5d41-4c82-a933-961d0f3bd441" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:to="loc_us-gaap_DebtInstrumentFairValue_d7fcee3c-5d41-4c82-a933-961d0f3bd441" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_c45a6724-3fd5-476e-b8df-9f43e3510690" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:to="loc_us-gaap_DerivativeLiabilities_c45a6724-3fd5-476e-b8df-9f43e3510690" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_e415c974-91f9-4c9e-a08e-a5bd4c742b48" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_ffff537b-a9a4-49f0-9b4b-c354cad7b237" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_ffff537b-a9a4-49f0-9b4b-c354cad7b237" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ffff537b-a9a4-49f0-9b4b-c354cad7b237_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_ffff537b-a9a4-49f0-9b4b-c354cad7b237" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ffff537b-a9a4-49f0-9b4b-c354cad7b237_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b3c3d682-70f7-40e6-883e-b82730f957ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_ffff537b-a9a4-49f0-9b4b-c354cad7b237" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b3c3d682-70f7-40e6-883e-b82730f957ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19a95c52-9cd9-4ad0-82ea-0586254fcdbe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_b3c3d682-70f7-40e6-883e-b82730f957ba" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19a95c52-9cd9-4ad0-82ea-0586254fcdbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_23baf57e-65aa-45f2-898c-23a85138ca8d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19a95c52-9cd9-4ad0-82ea-0586254fcdbe" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_23baf57e-65aa-45f2-898c-23a85138ca8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_125df401-f0d3-4d77-bad5-d696b9b81b69" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19a95c52-9cd9-4ad0-82ea-0586254fcdbe" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_125df401-f0d3-4d77-bad5-d696b9b81b69" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:to="loc_srt_CounterpartyNameAxis_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a52eb27b-70ad-449e-b7b8-f341a7416215" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_cdbdf5aa-b543-4e28-a6c0-a9b75eb1eca1" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a52eb27b-70ad-449e-b7b8-f341a7416215" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AvisBudgetRentalCarFundingMember_c0d2ab97-8d32-4f17-8a43-ce339a763786" xlink:href="car-20230630.xsd#car_AvisBudgetRentalCarFundingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_a52eb27b-70ad-449e-b7b8-f341a7416215" xlink:to="loc_car_AvisBudgetRentalCarFundingMember_c0d2ab97-8d32-4f17-8a43-ce339a763786" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_1c23a9ff-9307-45ad-97a6-0cefb58309e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:to="loc_us-gaap_DebtInstrumentAxis_1c23a9ff-9307-45ad-97a6-0cefb58309e1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_1c23a9ff-9307-45ad-97a6-0cefb58309e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_1c23a9ff-9307-45ad-97a6-0cefb58309e1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_1c23a9ff-9307-45ad-97a6-0cefb58309e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5f94e560-f970-4e7b-a34b-074f3dc865be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_1c23a9ff-9307-45ad-97a6-0cefb58309e1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5f94e560-f970-4e7b-a34b-074f3dc865be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_VehicleBackedDebtMember_2ae4151c-4ccb-46d2-b589-8fcd77010e40" xlink:href="car-20230630.xsd#car_VehicleBackedDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5f94e560-f970-4e7b-a34b-074f3dc865be" xlink:to="loc_car_VehicleBackedDebtMember_2ae4151c-4ccb-46d2-b589-8fcd77010e40" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_5dfaeb13-6b24-4345-aef6-e0e911b0606e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_5dfaeb13-6b24-4345-aef6-e0e911b0606e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_5dfaeb13-6b24-4345-aef6-e0e911b0606e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5dfaeb13-6b24-4345-aef6-e0e911b0606e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_5dfaeb13-6b24-4345-aef6-e0e911b0606e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_dd1b129b-e6c7-4d5a-b631-e83575c07736" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_5dfaeb13-6b24-4345-aef6-e0e911b0606e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_dd1b129b-e6c7-4d5a-b631-e83575c07736" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateContractMember_74837f00-7212-4a14-9945-855c405b7f0a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_dd1b129b-e6c7-4d5a-b631-e83575c07736" xlink:to="loc_us-gaap_InterestRateContractMember_74837f00-7212-4a14-9945-855c405b7f0a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_84d19ae4-8e2c-4546-a1b8-6c50a37b051a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_f2c63a74-f457-4f6f-9147-85e98c227b7b" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_84d19ae4-8e2c-4546-a1b8-6c50a37b051a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84d19ae4-8e2c-4546-a1b8-6c50a37b051a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_84d19ae4-8e2c-4546-a1b8-6c50a37b051a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_84d19ae4-8e2c-4546-a1b8-6c50a37b051a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c67700f6-47f4-4541-beca-f1fe61a36c18" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_84d19ae4-8e2c-4546-a1b8-6c50a37b051a" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c67700f6-47f4-4541-beca-f1fe61a36c18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_79751be5-5e04-485d-9bc3-d0ef01dbe6fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c67700f6-47f4-4541-beca-f1fe61a36c18" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_79751be5-5e04-485d-9bc3-d0ef01dbe6fe" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformationNarrativeDetails" xlink:type="simple" xlink:href="car-20230630.xsd#SegmentInformationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformationNarrativeDetails" xlink:type="extended" id="id6a3dcc3eecf45b5bd2db3c44d6afdb9_SegmentInformationNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_8d068450-2d09-4f18-86f9-dc12f4203b11" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationReserve_7772175e-29e9-418e-8876-a0c2bd523a3e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LitigationReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8d068450-2d09-4f18-86f9-dc12f4203b11" xlink:to="loc_us-gaap_LitigationReserve_7772175e-29e9-418e-8876-a0c2bd523a3e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AssetsUnderVehiclePrograms_e4c780f2-9664-40f8-a0ca-8e19a1c10ad3" xlink:href="car-20230630.xsd#car_AssetsUnderVehiclePrograms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8d068450-2d09-4f18-86f9-dc12f4203b11" xlink:to="loc_car_AssetsUnderVehiclePrograms_e4c780f2-9664-40f8-a0ca-8e19a1c10ad3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b89cbf11-fc15-42d1-a1a3-a2a0fc8b964f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_8d068450-2d09-4f18-86f9-dc12f4203b11" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b89cbf11-fc15-42d1-a1a3-a2a0fc8b964f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_3f81d286-e39d-49ca-92be-9b0172e9f05d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_b89cbf11-fc15-42d1-a1a3-a2a0fc8b964f" xlink:to="loc_srt_StatementGeographicalAxis_3f81d286-e39d-49ca-92be-9b0172e9f05d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_3f81d286-e39d-49ca-92be-9b0172e9f05d_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_3f81d286-e39d-49ca-92be-9b0172e9f05d" xlink:to="loc_srt_SegmentGeographicalDomain_3f81d286-e39d-49ca-92be-9b0172e9f05d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_7fc47bfb-91bc-45e4-bb0c-dbff594d3154" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_3f81d286-e39d-49ca-92be-9b0172e9f05d" xlink:to="loc_srt_SegmentGeographicalDomain_7fc47bfb-91bc-45e4-bb0c-dbff594d3154" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_36e7c68b-75d2-4c53-b13d-dada5675dab3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_7fc47bfb-91bc-45e4-bb0c-dbff594d3154" xlink:to="loc_srt_AmericasMember_36e7c68b-75d2-4c53-b13d-dada5675dab3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/SegmentInformationSummaryofSegmentsInformationDetails" xlink:type="simple" xlink:href="car-20230630.xsd#SegmentInformationSummaryofSegmentsInformationDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/SegmentInformationSummaryofSegmentsInformationDetails" xlink:type="extended" id="ic7ce224457bf48c6ac4db90899f4a1b7_SegmentInformationSummaryofSegmentsInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_aec933f9-e097-47a3-a676-3be7825c38b1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_0834a256-ea66-49aa-a8e6-6c6a5e28a5a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_aec933f9-e097-47a3-a676-3be7825c38b1" xlink:to="loc_us-gaap_Revenues_0834a256-ea66-49aa-a8e6-6c6a5e28a5a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization_527994be-eed4-47fa-92e0-23c5e8ddfee1" xlink:href="car-20230630.xsd#car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_aec933f9-e097-47a3-a676-3be7825c38b1" xlink:to="loc_car_AdjustedEarningsBeforeIncomeDepreciationAndAmortization_527994be-eed4-47fa-92e0-23c5e8ddfee1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:href="car-20230630.xsd#car_AdjustmentsToEBITDAAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_aec933f9-e097-47a3-a676-3be7825c38b1" xlink:to="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_NonVehicleRelatedDepreciationAndAmortization_ba73ddaa-f50b-47bf-9119-c34145796dd2" xlink:href="car-20230630.xsd#car_NonVehicleRelatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_car_NonVehicleRelatedDepreciationAndAmortization_ba73ddaa-f50b-47bf-9119-c34145796dd2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_92a3f976-8c96-4b6e-b4b0-30cc3398fba9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_us-gaap_InterestExpense_92a3f976-8c96-4b6e-b4b0-30cc3398fba9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_a58ae16e-bc68-4d54-9aae-15581541c27c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestructuringCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_us-gaap_RestructuringCharges_a58ae16e-bc68-4d54-9aae-15581541c27c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_TransactionRelatedCostsNet_cbb7000d-97c2-4b65-b2a0-cd3d5c66b52b" xlink:href="car-20230630.xsd#car_TransactionRelatedCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_car_TransactionRelatedCostsNet_cbb7000d-97c2-4b65-b2a0-cd3d5c66b52b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_02a786ae-f97c-4d41-b5a6-79d3b74ab199" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_02a786ae-f97c-4d41-b5a6-79d3b74ab199" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_NonVehicleRelatedDepreciationExcludingCertainCost_4fdee239-5ce3-4bb7-b0f5-f2b1c6667c5d" xlink:href="car-20230630.xsd#car_NonVehicleRelatedDepreciationExcludingCertainCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_car_NonVehicleRelatedDepreciationExcludingCertainCost_4fdee239-5ce3-4bb7-b0f5-f2b1c6667c5d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_UnusualOrInfrequentItemsOrBothCovidCharges_59b63e34-88eb-43d0-8d3a-c29d44bb694c" xlink:href="car-20230630.xsd#car_UnusualOrInfrequentItemsOrBothCovidCharges"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_car_UnusualOrInfrequentItemsOrBothCovidCharges_59b63e34-88eb-43d0-8d3a-c29d44bb694c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_UnprecedentedPersonalInjuryAndOtherLegalMattersNet_727c8832-db1d-4de2-bc1b-a20444e1db4a" xlink:href="car-20230630.xsd#car_UnprecedentedPersonalInjuryAndOtherLegalMattersNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_car_UnprecedentedPersonalInjuryAndOtherLegalMattersNet_727c8832-db1d-4de2-bc1b-a20444e1db4a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5fe493c2-1f72-4cd2-8762-9cce858bb7a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_AdjustmentsToEBITDAAbstract_07184857-ddd5-4e90-a600-8fa06d8bf8cf" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_5fe493c2-1f72-4cd2-8762-9cce858bb7a7" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_aec933f9-e097-47a3-a676-3be7825c38b1" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_0529ef7d-fbc0-47eb-9514-2e82e526b5cd" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:to="loc_srt_StatementGeographicalAxis_0529ef7d-fbc0-47eb-9514-2e82e526b5cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_0529ef7d-fbc0-47eb-9514-2e82e526b5cd_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_0529ef7d-fbc0-47eb-9514-2e82e526b5cd" xlink:to="loc_srt_SegmentGeographicalDomain_0529ef7d-fbc0-47eb-9514-2e82e526b5cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_6a840044-3cd8-43f9-868d-2e4175717f7e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_0529ef7d-fbc0-47eb-9514-2e82e526b5cd" xlink:to="loc_srt_SegmentGeographicalDomain_6a840044-3cd8-43f9-868d-2e4175717f7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AmericasMember_ca5b0276-28d9-459b-8647-d4cfaf58de89" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_AmericasMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_6a840044-3cd8-43f9-868d-2e4175717f7e" xlink:to="loc_srt_AmericasMember_ca5b0276-28d9-459b-8647-d4cfaf58de89" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_InternationalMember_31ce9c34-a6fa-4520-b081-22750caba28e" xlink:href="car-20230630.xsd#car_InternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_6a840044-3cd8-43f9-868d-2e4175717f7e" xlink:to="loc_car_InternationalMember_31ce9c34-a6fa-4520-b081-22750caba28e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_5261e22c-9adf-4602-8bfe-6cb44e26d006" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:to="loc_srt_ConsolidationItemsAxis_5261e22c-9adf-4602-8bfe-6cb44e26d006" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_5261e22c-9adf-4602-8bfe-6cb44e26d006_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_5261e22c-9adf-4602-8bfe-6cb44e26d006" xlink:to="loc_srt_ConsolidationItemsDomain_5261e22c-9adf-4602-8bfe-6cb44e26d006_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_d14a00e1-d178-41c7-8480-35837aa0d991" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_5261e22c-9adf-4602-8bfe-6cb44e26d006" xlink:to="loc_srt_ConsolidationItemsDomain_d14a00e1-d178-41c7-8480-35837aa0d991" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ReportableGeographicalComponentsMember_52e295ec-8887-45e2-b5bc-7b3a1bb83027" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ReportableGeographicalComponentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_d14a00e1-d178-41c7-8480-35837aa0d991" xlink:to="loc_srt_ReportableGeographicalComponentsMember_52e295ec-8887-45e2-b5bc-7b3a1bb83027" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_795bc7ab-8e3b-4a30-849e-35e616506b52" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_d14a00e1-d178-41c7-8480-35837aa0d991" xlink:to="loc_us-gaap_CorporateNonSegmentMember_795bc7ab-8e3b-4a30-849e-35e616506b52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_955abc5f-ca8f-47d2-99bb-7fdd21968dfe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_955abc5f-ca8f-47d2-99bb-7fdd21968dfe" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_955abc5f-ca8f-47d2-99bb-7fdd21968dfe_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_955abc5f-ca8f-47d2-99bb-7fdd21968dfe" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_955abc5f-ca8f-47d2-99bb-7fdd21968dfe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_c8915d7d-1f58-40c8-a7cc-7dadbe091ae0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_955abc5f-ca8f-47d2-99bb-7fdd21968dfe" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_c8915d7d-1f58-40c8-a7cc-7dadbe091ae0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenseMember_a238ba67-a148-4142-9649-a06600281c29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_c8915d7d-1f58-40c8-a7cc-7dadbe091ae0" xlink:to="loc_us-gaap_OperatingExpenseMember_a238ba67-a148-4142-9649-a06600281c29" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_ExpenseTypeAxis_2c624d8e-5169-4a0a-8322-b738964f9f4d" xlink:href="car-20230630.xsd#car_ExpenseTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_42bcf9ff-b078-43f9-9cf2-19e9ea945e99" xlink:to="loc_car_ExpenseTypeAxis_2c624d8e-5169-4a0a-8322-b738964f9f4d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_ExpenseTypeDomain_2c624d8e-5169-4a0a-8322-b738964f9f4d_default" xlink:href="car-20230630.xsd#car_ExpenseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_car_ExpenseTypeAxis_2c624d8e-5169-4a0a-8322-b738964f9f4d" xlink:to="loc_car_ExpenseTypeDomain_2c624d8e-5169-4a0a-8322-b738964f9f4d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_ExpenseTypeDomain_0e4d9033-6b4b-41ad-82c0-f45879e48528" xlink:href="car-20230630.xsd#car_ExpenseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_car_ExpenseTypeAxis_2c624d8e-5169-4a0a-8322-b738964f9f4d" xlink:to="loc_car_ExpenseTypeDomain_0e4d9033-6b4b-41ad-82c0-f45879e48528" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_CloudComputingCostsMember_672ce349-199d-447e-95cd-6de149cab622" xlink:href="car-20230630.xsd#car_CloudComputingCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_car_ExpenseTypeDomain_0e4d9033-6b4b-41ad-82c0-f45879e48528" xlink:to="loc_car_CloudComputingCostsMember_672ce349-199d-447e-95cd-6de149cab622" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.avis.com/role/SubsequentEventDetails" xlink:type="simple" xlink:href="car-20230630.xsd#SubsequentEventDetails"/>
  <link:definitionLink xlink:role="http://www.avis.com/role/SubsequentEventDetails" xlink:type="extended" id="i22f0f6adc0b64b26ad647c4a16a12e35_SubsequentEventDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_34e34c6e-b31c-4ab2-9795-241f927bb352" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_34e34c6e-b31c-4ab2-9795-241f927bb352" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32ec30d9-8faa-4c7f-9485-428b6bbbdecf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_32ec30d9-8faa-4c7f-9485-428b6bbbdecf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_cccef38f-7696-48c5-833e-b9f87b8123fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_cccef38f-7696-48c5-833e-b9f87b8123fd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_a0a6de8c-6bec-425c-8815-e40f8964625e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_a0a6de8c-6bec-425c-8815-e40f8964625e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_bd2f6c81-403e-449f-994f-0a3a89375ca6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_bd2f6c81-403e-449f-994f-0a3a89375ca6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_eba938af-e0e0-4bac-9385-e51d007e1ccc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_783b2d55-db6c-4618-84de-f1b556183f78" xlink:to="loc_us-gaap_SubsequentEventTable_eba938af-e0e0-4bac-9385-e51d007e1ccc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_104c86eb-1f67-42a4-bbf1-5c36f08413d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_eba938af-e0e0-4bac-9385-e51d007e1ccc" xlink:to="loc_us-gaap_DebtInstrumentAxis_104c86eb-1f67-42a4-bbf1-5c36f08413d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_104c86eb-1f67-42a4-bbf1-5c36f08413d0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_104c86eb-1f67-42a4-bbf1-5c36f08413d0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_104c86eb-1f67-42a4-bbf1-5c36f08413d0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_532d7b3c-2d83-4fbb-805b-f62e39e18041" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_104c86eb-1f67-42a4-bbf1-5c36f08413d0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_532d7b3c-2d83-4fbb-805b-f62e39e18041" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_SevenPointTwoFivePercentEuroDenominatedSeniorNotesMember_2b3a8b57-2aa4-414d-ba48-3c6b73289d6b" xlink:href="car-20230630.xsd#car_SevenPointTwoFivePercentEuroDenominatedSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_532d7b3c-2d83-4fbb-805b-f62e39e18041" xlink:to="loc_car_SevenPointTwoFivePercentEuroDenominatedSeniorNotesMember_2b3a8b57-2aa4-414d-ba48-3c6b73289d6b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember_e3db73fc-bd2d-42c8-8edc-e295a455af86" xlink:href="car-20230630.xsd#car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_532d7b3c-2d83-4fbb-805b-f62e39e18041" xlink:to="loc_car_FourPointOneTwoFivePercentEuroDenominatedSeniorNotesMember_e3db73fc-bd2d-42c8-8edc-e295a455af86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_84c57f6c-9f3b-43b7-aae0-e393fed62fda" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_eba938af-e0e0-4bac-9385-e51d007e1ccc" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_84c57f6c-9f3b-43b7-aae0-e393fed62fda" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_84c57f6c-9f3b-43b7-aae0-e393fed62fda_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_84c57f6c-9f3b-43b7-aae0-e393fed62fda" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_84c57f6c-9f3b-43b7-aae0-e393fed62fda_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_dd983eba-f378-4bc1-bdd4-d04ce432895b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_84c57f6c-9f3b-43b7-aae0-e393fed62fda" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_dd983eba-f378-4bc1-bdd4-d04ce432895b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_242c33c9-6e50-4f41-bee1-1661170041f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_dd983eba-f378-4bc1-bdd4-d04ce432895b" xlink:to="loc_us-gaap_SeniorNotesMember_242c33c9-6e50-4f41-bee1-1661170041f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_0025051c-a02d-460e-b333-6b85d9401b05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_eba938af-e0e0-4bac-9385-e51d007e1ccc" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_0025051c-a02d-460e-b333-6b85d9401b05" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_0025051c-a02d-460e-b333-6b85d9401b05_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_0025051c-a02d-460e-b333-6b85d9401b05" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_0025051c-a02d-460e-b333-6b85d9401b05_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_a3a36f05-928a-4e1a-a6ba-adc16579aa53" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_0025051c-a02d-460e-b333-6b85d9401b05" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_a3a36f05-928a-4e1a-a6ba-adc16579aa53" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_d9ad3051-2882-459e-8e76-de3690a3e6a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_a3a36f05-928a-4e1a-a6ba-adc16579aa53" xlink:to="loc_us-gaap_SubsequentEventMember_d9ad3051-2882-459e-8e76-de3690a3e6a6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd#AwardTypeOnly"/>
  <link:definitionLink xlink:role="http://xbrl.sec.gov/ecd/AwardTypeOnly" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PerformanceSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_PerformanceSharesMember" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" order="5"/>
  </link:definitionLink>
</link:linkbase>
