<SEC-DOCUMENT>0000350698-14-000091.txt : 20140623
<SEC-HEADER>0000350698-14-000091.hdr.sgml : 20140623
<ACCEPTANCE-DATETIME>20140604170846
ACCESSION NUMBER:		0000350698-14-000091
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20140603
FILED AS OF DATE:		20140604
DATE AS OF CHANGE:		20140604

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BROWN ROBERT J
		CENTRAL INDEX KEY:			0001037994

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13107
		FILM NUMBER:		14891657

	MAIL ADDRESS:	
		STREET 1:		200 SW 1ST AVE
		STREET 2:		SUITE 1600
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33301
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_140191611535093.xml
<DESCRIPTION>FORM 4
<TEXT>
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<ownershipDocument>

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    <periodOfReport>2014-06-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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        <issuerName>AUTONATION, INC.</issuerName>
        <issuerTradingSymbol>AN</issuerTradingSymbol>
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            <rptOwnerName>BROWN ROBERT J</rptOwnerName>
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            <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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            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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            <otherText></otherText>
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                <transactionShares>
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                <transactionPricePerShare>
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                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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                <value>2023-03-01</value>
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                <underlyingSecurityTitle>
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                <value>2014-06-03</value>
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            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1250</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2023-03-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1250.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3750</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multiple trades at prices ranging from $57.76 to $57.78. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transactions were effected.</footnote>
        <footnote id="F2">The option becomes exercisable in 25% annual increments on each of the first four anniversaries of June 1, 2012, or in full upon termination of Board membership if prior to June 1, 2016.</footnote>
        <footnote id="F3">The option becomes exercisable in 25% annual increments on each of the first four anniversaries of June 1, 2013, or in full upon termination of Board membership if prior to June 1, 2017.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jonathan P. Ferrando, Attorney-in-Fact</signatureName>
        <signatureDate>2014-06-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
