    <SEC-DOCUMENT>0001019849-21-000063-index.html : 20211217
    <SEC-HEADER>0001019849-21-000063.hdr.sgml : 20211217
    <ACCEPTANCE-DATETIME>20211217091453
    ACCESSION NUMBER:		0001019849-21-000063
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		24
    CONFORMED PERIOD OF REPORT:	20211216
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211217
    DATE AS OF CHANGE:		20211217

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			PENSKE AUTOMOTIVE GROUP, INC.
    		CENTRAL INDEX KEY:			0001019849
    		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-AUTO DEALERS & GASOLINE STATIONS [5500]
    		IRS NUMBER:				223086739
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12297
    		FILM NUMBER:		211499787

    	BUSINESS ADDRESS:
    		STREET 1:		2555 TELEGRAPH RD
    		CITY:			BLOOMFIELD HILLS
    		STATE:			MI
    		ZIP:			48302-0954
    		BUSINESS PHONE:		248-648-2500

    	MAIL ADDRESS:
    		STREET 1:		2555 TELEGRAPH RD
    		CITY:			BLOOMFIELD HILLS
    		STATE:			MI
    		ZIP:			48302-0954

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	UNITED AUTO GROUP INC
    		DATE OF NAME CHANGE:	19960726
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>pag-20211216.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: pag-20211216.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>exhibit10-1servicesagree.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: exhibit10-1servicesagree.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>pag-20211216.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: pag-20211216.xsd

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    <SEQUENCE>4
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    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: exhibit10-1servicesagree001.jpg

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    <SEQUENCE>7
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    <SEQUENCE>8
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    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>10
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    <SEQUENCE>11
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    <DESCRIPTION>GRAPHIC
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    Document 11 - file: exhibit10-1servicesagree006.jpg

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    <SEQUENCE>12
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    <SEQUENCE>13
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    <DESCRIPTION>GRAPHIC
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    <DESCRIPTION>GRAPHIC
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    <FILENAME>exhibit10-1servicesagree010.jpg
    <DESCRIPTION>GRAPHIC
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    Document 15 - file: exhibit10-1servicesagree010.jpg

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    <SEQUENCE>16
    <FILENAME>exhibit10-1servicesagree011.jpg
    <DESCRIPTION>GRAPHIC
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    <SEQUENCE>17
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    <TYPE>XML
    <SEQUENCE>18
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    <TEXT>
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>19
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 19 - file: Financial_Report.xlsx

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    <TYPE>XML
    <SEQUENCE>20
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    <TEXT>
    Document 20 - file: Show.js

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    <TYPE>XML
    <SEQUENCE>21
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>FilingSummary.xml
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    <TEXT>
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    Document 22 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>24
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    <TEXT>
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    <SEQUENCE>25
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