<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-09-30</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001485469</issuerCik>
        <issuerName>Tower International, Inc.</issuerName>
        <issuerTradingSymbol>TOWR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001190838</rptOwnerCik>
            <rptOwnerName>BROWN THOMAS K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TOWER INTERNATIONAL, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>17672 LAUREL PARK DR. NORTH, SUITE 400E</rptOwnerStreet2>
            <rptOwnerCity>LIVONIA</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
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                </transactionShares>
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                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

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                </underlyingSecurityTitle>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
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                </transactionShares>
                <transactionPricePerShare>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
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            <conversionOrExercisePrice>
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            <transactionDate>
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            <transactionTimeliness></transactionTimeliness>
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                <transactionPricePerShare>
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            <expirationDate>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">Pursuant to the terms of the Agreement and Plan of Merger (the &quot;Merger Agreement&quot;), dated as of July 12, 2019, by and among Tower International, Inc., a Delaware corporation (the &quot;Company&quot;), Autokiniton US Holdings, Inc., a Delaware corporation (&quot;Parent&quot;), and Tiger Merger Sub, Inc., a Delaware corporation and a direct wholly owned subsidiary of Parent (&quot;Merger Sub&quot;), Merger Sub was merged with and into the Company, with the Company continuing as a direct wholly owned subsidiary of Parent (the &quot;Merger&quot;). Pursuant to the Merger Agreement and the terms of the Offer to Purchase, dated August 15, 2019, at the effective time of the Merger, each share of common stock, par value $0.01 per share, of the Company (each, a &quot;Share&quot;) was converted into the right to receive $31.00 in cash, net of applicable tax withholding, without interest.</footnote>
        <footnote id="F2">Each restricted stock unit (&quot;RSU&quot;) represents a contingent right to receive one Share.</footnote>
        <footnote id="F3">Pursuant to the Merger Agreement, each RSU outstanding immediately prior to the consummation of the tender offer by Parent and Merger Sub to acquire all the outstanding Shares for $31.00 in cash (the &quot;Offer&quot;) automatically and without any required action on the part of its holder became fully vested and was cancelled and converted immediately prior to, and contingent upon, the consummation of the Offer into a vested right to receive a lump-sum payment in an amount equal to $31.00 for each Share underlying the RSU, net of applicable tax withholdings.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Nanette Dudek, Attorney-in-Fact</signatureName>
        <signatureDate>2019-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
