<SEC-DOCUMENT>0000350698-21-000014.txt : 20210106
<SEC-HEADER>0000350698-21-000014.hdr.sgml : 20210106
<ACCEPTANCE-DATETIME>20210106160424
ACCESSION NUMBER:		0000350698-21-000014
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210104
FILED AS OF DATE:		20210106
DATE AS OF CHANGE:		20210106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GRUSKY ROBERT R
		CENTRAL INDEX KEY:			0001256116

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13107
		FILM NUMBER:		21510485

	MAIL ADDRESS:	
		STREET 1:		C/O STRAYER EDUCATION INC
		STREET 2:		2303 DULLES STATION BOULEVARD
		CITY:			HERNDON
		STATE:			VA
		ZIP:			20171

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AUTONATION, INC.
		CENTRAL INDEX KEY:			0000350698
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
		IRS NUMBER:				731105145
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		200 SW 1ST AVE
		STREET 2:		SUITE 1600
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33301
		BUSINESS PHONE:		9547696000

	MAIL ADDRESS:	
		STREET 1:		200 SW 1ST AVE
		STREET 2:		SUITE 1600
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AUTONATION, INC. /FL
		DATE OF NAME CHANGE:	20090827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AutoNation, Inc. /FL
		DATE OF NAME CHANGE:	20090827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AUTONATION INC /FL
		DATE OF NAME CHANGE:	19990407
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_160996704898113.xml
<DESCRIPTION>FORM 4
<TEXT>
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    <periodOfReport>2021-01-04</periodOfReport>

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    <issuer>
        <issuerCik>0000350698</issuerCik>
        <issuerName>AUTONATION, INC.</issuerName>
        <issuerTradingSymbol>AN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001256116</rptOwnerCik>
            <rptOwnerName>GRUSKY ROBERT R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 SW 1ST AVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>FORT LAUDERDALE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
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    <nonDerivativeTable>
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                <value>Common Stock, par value $0.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2021-01-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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                <footnoteId id="F1"/>
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                    <value>3671</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <value>Common Stock, par value $0.01 per share</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>35.0</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-01-06</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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                <footnoteId id="F2"/>
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                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2022-03-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
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        </derivativeTransaction>
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    <footnotes>
        <footnote id="F1">2021 grant of 3,671 vested restricted stock units (the &quot;RSUs&quot;) pursuant to the AutoNation, Inc. 2014 Non-Employee Director Equity Plan (as amended, the &quot;2014 Director Plan&quot;). The RSUs will settle in shares of common stock, par value $0.01 per share, of AutoNation, Inc. (the &quot;Company&quot;) in accordance with the terms of the award, including any deferral election made by the reporting person, and the 2014 Director Plan. Settlement of the RSUs will be accelerated in certain circumstances as provided in the terms of the award and the 2014 Director Plan, including in the event the reporting person ceases to serve as a non-employee director of the Company.</footnote>
        <footnote id="F2">Transaction completed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 17, 2020.</footnote>
        <footnote id="F3">The option became exercisable in 25% annual increments on each of the first four anniversaries of June 1, 2012.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ C. Coleman Edmunds, Attorney-in-Fact</signatureName>
        <signatureDate>2021-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
