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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 xHJ6cIB+bsC0UyNldwzDPA==

<SEC-DOCUMENT>0001140361-09-030192.txt : 20091223
<SEC-HEADER>0001140361-09-030192.hdr.sgml : 20091223
<ACCEPTANCE-DATETIME>20091223160846
ACCESSION NUMBER:		0001140361-09-030192
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091223
FILED AS OF DATE:		20091223
DATE AS OF CHANGE:		20091223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCLAFANI KAREN C
		CENTRAL INDEX KEY:			0001069790

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10308
		FILM NUMBER:		091258208

	MAIL ADDRESS:	
		STREET 1:		C/O AVIS RENT A CAR, INC.
		STREET 2:		900 OLD COUNTRY ROAD
		CITY:			GARDEN CITY
		STATE:			NY
		ZIP:			11530

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVIS BUDGET GROUP, INC.
		CENTRAL INDEX KEY:			0000723612
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-AUTO RENTAL & LEASING (NO DRIVERS) [7510]
		IRS NUMBER:				060918165
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6 SYLVAN WAY
		CITY:			PARSIPPANY
		STATE:			X1
		ZIP:			07054
		BUSINESS PHONE:		973-496-2579

	MAIL ADDRESS:	
		STREET 1:		6 SYLVAN WAY
		CITY:			PARSIPPANY
		STATE:			X1
		ZIP:			07054

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENDANT CORP
		DATE OF NAME CHANGE:	19971218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CUC INTERNATIONAL INC /DE/
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMP U CARD INTERNATIONAL INC
		DATE OF NAME CHANGE:	19870914
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000723612</issuerCik>
        <issuerName>AVIS BUDGET GROUP, INC.</issuerName>
        <issuerTradingSymbol>CAR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001069790</rptOwnerCik>
            <rptOwnerName>SCLAFANI KAREN C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6 SYLVAN WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PARSIPPANY</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07054</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP &amp; General Counsel</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>13375</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.50</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11316</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Price reflects the weighted average sale price for the sale transactions made on the date reported above. Sale prices ranged from $13.50 to $13.51. Ms. Sclafani will provide, upon request by the Staff, the Company, or a security holder of the Company, full information regarding the number of shares purchased or sold at each separate price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Jean M. Sera, by Power of Attorney for Karen C. Sclafani</signatureName>
        <signatureDate>2009-12-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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