    <SEC-DOCUMENT>0001308179-18-000176-index.html : 20180412
    <SEC-HEADER>0001308179-18-000176.hdr.sgml : 20180412
    <ACCEPTANCE-DATETIME>20180412160211
    ACCESSION NUMBER:		0001308179-18-000176
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		41
    CONFORMED PERIOD OF REPORT:	20180412
    FILED AS OF DATE:		20180412
    DATE AS OF CHANGE:		20180412
    EFFECTIVENESS DATE:		20180412

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			GROUP 1 AUTOMOTIVE INC
    		CENTRAL INDEX KEY:			0001031203
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
    		IRS NUMBER:				760506313
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13461
    		FILM NUMBER:		18752140

    	BUSINESS ADDRESS:
    		STREET 1:		800 GESSNER
    		STREET 2:		SUITE 500
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77024
    		BUSINESS PHONE:		713-647-5700

    	MAIL ADDRESS:
    		STREET 1:		800 GESSNER
    		STREET 2:		SUITE 500
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77024
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>lgpi2018_def14a.htm
    <DESCRIPTION>GROUP 1 AUTOMOTIVE INC - DEF 14A
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    Document 1 - file: lgpi2018_def14a.htm

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    Document 2 - file: lgpix1x1.jpg

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    Document 3 - file: lgpix2x1.jpg

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    Document 4 - file: lgpix4x1.jpg

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    Document 5 - file: lgpix4x2.jpg

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    Document 6 - file: lgpix4x3.jpg

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    Document 7 - file: lgpix6x1.jpg

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    Document 8 - file: lgpix16x1.jpg

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    Document 9 - file: lgpix16x2.jpg

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    Document 10 - file: lgpix16x3.jpg

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    Document 11 - file: lgpix21x1.jpg

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    Document 12 - file: lgpix29x1.jpg

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    Document 13 - file: lgpix29x2.jpg

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    Document 14 - file: lgpix30x1.jpg

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    Document 15 - file: lgpix30x2.jpg

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    Document 16 - file: lgpix31x1.jpg

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    Document 17 - file: lgpix31x2.jpg

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    Document 18 - file: lgpix32x1.jpg

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    Document 19 - file: lgpix32x2.jpg

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    Document 20 - file: lgpix33x1.jpg

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    Document 21 - file: lgpix38x1.jpg

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    Document 22 - file: lgpix38x2.jpg

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    Document 23 - file: lgpix38x3.jpg

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    Document 24 - file: lgpix39x1.jpg

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    Document 25 - file: lgpix40x1.jpg

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    Document 26 - file: lgpix46x1.jpg

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    Document 27 - file: lgpix46x2.jpg

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    Document 28 - file: lgpix49x1.jpg

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    Document 29 - file: lgpix70x1.jpg

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    Document 30 - file: lgpix73x1.jpg

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    <SEQUENCE>31
    <FILENAME>chair-grey.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: chair-grey.jpg

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    <SEQUENCE>32
    <FILENAME>chair.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: chair.jpg

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    <SEQUENCE>33
    <FILENAME>check-grey.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: check-grey.jpg

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    <SEQUENCE>34
    <FILENAME>check.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: check.jpg

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    <SEQUENCE>35
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: check1.jpg

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    Document 36 - file: check2.jpg

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    <TEXT>
    Document 37 - file: check3.jpg

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    <SEQUENCE>38
    <FILENAME>footer.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: footer.jpg

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    <SEQUENCE>39
    <FILENAME>lgpi_proxy1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: lgpi_proxy1.jpg

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    <DESCRIPTION>GRAPHIC
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    Document 40 - file: lgpi_proxy2.jpg

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    Document 41 - file: uncheck3.jpg

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