Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Penske Roger S Jr
2. Date of Event Requiring Statement (Month/Day/Year)
01/03/2007
3. Issuer Name and Ticker or Trading Symbol
UNITED AUTO GROUP INC [UAG]
(Last)
(First)
(Middle)
2555 TELEGRAPH RD.
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BLOOMFIELD HILLS, MI 48302
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock (Restricted Shares) 4,200 (1)
D
 
Common Stock (Restricted Shares) 5,100 (2)
D
 
Common Stock (Restricted Shares) 6,000 (3)
D
 
Common Stock 44,090
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy) 02/22/2005 02/22/2012 Employee Stock Option (right to buy) 10,000 $ 10.48 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Penske Roger S Jr
2555 TELEGRAPH RD.
BLOOMFIELD HILLS, MI 48302
      President  

Signatures

/s/ Shane M. Spradlin, Attorney in fact 01/09/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) One Thousand Two Hundred (1,200) shares vest on June 1, 2007 and Three Thousand (3,000) shares vest on June 1, 2008.
(2) Nine Hundred (900) shares vest on June 1, 2007, One Thousand Two Hundred (1,200) shares vest on June 1, 2008 and Three Thousand (3,000) shares vest on June 1, 2009.
(3) Fifteen percent (15%) of the shares vest on June 1, 2007, fifteen percent (15%) of the shares vest on June 1, 2008, twenty percent (20%) of the shares vest on June 1, 2009 and the remainder of the shares vest on June 1, 2010.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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