UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13D


                    Under the Securities Exchange Act of 1934
                              (Amendment No. ___)*

                          CREDIT ACCEPTANCE CORPORATION
                                (Name of Issuer)

                          Common Stock, $.01 par value
                         (Title of Class of Securities)

                                    225310101
                                 (CUSIP Number)

                               Mr. Thomas W. Smith
                               323 Railroad Avenue
                               Greenwich, CT 06830
                                 (203) 661-1200

(Name,  Address and Telephone Number of Person Authorized to Receive Notices and
                                Communications)

                                 August 6, 1997
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  which is the subject of this  Schedule 13D, and is filing this
schedule because of Rule 13d-1(b)(3) or (4), check the following box [ ].

Check the following box if a fee is being paid with the statement [ ]. (A fee is
not required only if the reporting person:  (1) has a previous statement on file
reporting  beneficial  ownership  of more  than  five  percent  of the  class of
securities  described  in Item 1;  and (2) has  filed  no  amendment  subsequent
thereto reporting  beneficial  ownership of five percent or less of such class.)
(See Rule 13d-7.)

Note: Six copies of this statement, including all exhibits, should be filed with
the  Commission.  See Rule  13d-1(a) for other  parties to whom copies are to be
sent.

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



CUSIP No.  225310101

- --------- ----------------------------------------------------------------------
   1      NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

                   Thomas W. Smith

- --------- ----------------------------------------------------------------------
   2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP             (a) [   ]
                                                                       (b) [ X ]

- --------- ----------------------------------------------------------------------
   3      SEC USE ONLY


- --------- ----------------------------------------------------------------------
   4      SOURCE OF FUNDS

                   00 (Funds of Managed Accounts)

- --------- ----------------------------------------------------------------------
   5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(d) OR 2(e)                                               [   ]


- --------- ----------------------------------------------------------------------
   6      CITIZENSHIP OR PLACE OF ORGANIZATION

                   United States

- --------- ----------------------------------------------------------------------
                        7     SOLE VOTING POWER

                                  116,500
      NUMBER OF
                        ----- --------------------------------------------------
        SHARES          8     SHARED VOTING POWER

     BENEFICIALLY                 2,382,100
                        ----- --------------------------------------------------
    OWNED BY EACH       9     SOLE DISPOSITIVE POWER

      REPORTING                   116,500
                        ----- --------------------------------------------------
        PERSON           10   SHARED DISPOSITIVE POWER

         WITH                     2,382,100
- ------- ------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            2,498,600
- ------- ------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  
                                                                           [   ]

- ------- ------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11

            5.42%
- ------- ------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON

            IN
- ------- ------------------------------------------------------------------------




CUSIP No.  740065 10 7

- --------- ----------------------------------------------------------------------
   1      NAME OF REPORTING PERSON
          S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

                   Thomas N. Tryforos

- --------- ----------------------------------------------------------------------
   2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP             (a) [   ]
                                                                       (b) [ X ]

- --------- ----------------------------------------------------------------------
   3      SEC USE ONLY


- --------- ----------------------------------------------------------------------

   4      SOURCE OF FUNDS

                   00 (Funds of Managed Accounts)

- --------- ----------------------------------------------------------------------
   5      CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
          ITEMS 2(e) OR 2(e)                                               [   ]


- --------- ----------------------------------------------------------------------
   6      CITIZENSHIP OR PLACE OF ORGANIZATION

                   United States

- --------- ----------------------------------------------------------------------
                       7     SOLE VOTING POWER

                                 15,335
      NUMBER OF
                       ----- ---------------------------------------------------
       SHARES          8     SHARED VOTING POWER

    BENEFICIALLY                 2,382,100
                       ----- ---------------------------------------------------
    OWNED BY EACH      9     SOLE DISPOSITIVE POWER

      REPORTING                  15,335
                       ----- ---------------------------------------------------
       PERSON           10   SHARED DISPOSITIVE POWER

        WITH                     2,382,100
- ------- ------------------------------------------------------------------------
11      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

            2,397,435
- ------- ------------------------------------------------------------------------
12      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES  
                                                                           [   ]

- ------- ------------------------------------------------------------------------
13      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 11

            5.20%
- ------- ------------------------------------------------------------------------
14      TYPE OF REPORTING PERSON

            IN
- ------- ------------------------------------------------------------------------




Item 1.  Security and Issuer.

                  This  statement  relates to the common  stock,  $.01 par value
(the "Common Stock") of Credit Acceptance  Corporation,  a Michigan  corporation
whose principal executive offices are located at 25505 W. Twelve Mile Rd., Suite
3000, Southfield, Michigan 48034. 


Item 2. Identity and Background.

                  (a) - (f) This  statement is filed  jointly by Thomas W. Smith
and Thomas N.  Tryforos  (the  "Reporting  Persons"),  each of whom is a private
investment  manager with a business address at 323 Railroad  Avenue,  Greenwich,
Connecticut  06830.  The filing of this  statement  shall not be deemed to be an
admission  that the Reporting  Persons  comprise a "group" within the meaning of
Section 13(d)(3) of the Securities Exchange Act of 1934, as amended.  During the
last five  years,  neither of the  Reporting  Persons  has been  convicted  in a
criminal proceeding  (excluding traffic violations and similar misdemeanors) nor
has either of the  Reporting  Persons  been a party to a civil  proceeding  of a
judicial or  administrative  body of competent  jurisdiction  and as a result of
such proceeding was or is subject to a judgment, decree or final order enjoining
future violations of, or prohibiting or mandating activities subject to, federal
or state  securities  laws or finding any  violation  with respect to such laws.
Each of the Reporting Persons is a citizen of the United States.


Item 3.  Source and Amount of Funds or Other Consideration.

An  aggregate  of  $31,306,087.87  of the  funds  of the  Managed  Accounts  (as
hereinafter  defined),  $1,349,662.50  of the personal  funds of Mr. Smith,  and
$188,454 of the personal funds of Mr.  Tryforos were used to purchase the shares
reported herein.


Item 4.  Purpose of Transaction.

As set forth in Item 5,  each of Mr.  Smith and Mr.  Tryforos  beneficially  own
2,382,100  shares of Common  Stock in his  capacity  as  investment  manager for
certain managed accounts (the "Managed Accounts").  The Managed Accounts consist
of three private investment limited  partnerships of which each of the Reporting
Persons is a general partner,  an employee  profit-sharing plan of a corporation
of which Mr. Smith is the sole stockholder (for which the two Reporting  Persons
are trustees),  and trusts or accounts for the benefit of certain family members
of Messrs. Smith Tryforos. In addition,  Mr. Smith owns 100,000 shares of common
stock for his own  account  and Mr.  Tryforos  owns  14,700  shares  for his own
account (collectively, the "Personal Shares"). Each of the Reporting Persons has
acquired beneficial ownership of the Managed Accounts' Shares for the purpose of
achieving the investment policies of the Managed Accounts. Depending upon market
conditions,  evaluation of alternative investments, and such other factors as he
may consider relevant, each of the Reporting Persons may purchase or sell shares
of Common Stock for the Managed  Accounts or other  managed  accounts or for his
own account if appropriate  opportunities to do so are available,  on such terms
and at such times as such Reporting Person considers  desirable.  Subject to the
foregoing,  neither of the Reporting  Persons has any present plans or proposals
which  relate to or would result in any of the actions or events  enumerated  in
clauses (a) through (j) of Item 4 of Schedule 13D.


Item 5.  Interest in Securities of the Issuer.

                  (a)  The   aggregate   number  and   percentage   (based  upon
information  included in the Form 10-Q filed by the issuer for the quarter ended
March 31, 1997 that 46,076,448 shares of Common Stock were outstanding as of May
14, 1997 of shares of Common Stock  beneficially  owned by each of the Reporting
Persons is as follows:  Mr. Smith -- 2,498,600  shares (5.42%);  Mr. Tryforos --
2,397,435 shares (5.20%). All of such shares are held in the Managed Accounts.

                  (b) Mr. Smith has the sole power to vote or to direct the vote
and sole  power to dispose or to direct  the  disposition  of 116,500  shares of
Common Stock.  Mr. Tryforos has the sole power to vote or to direct the vote and
sole power to dispose or to direct the  disposition  of 15,335  shares of Common
Stock.  Each of the Reporting  Persons has shared power to vote or to direct the
vote and  shared  power to dispose or to direct  the  disposition  of  2,382,100
shares of Common Stock.

                  (c)  During  the  60  days  preceding  the  date  hereof,  the
Reporting  Persons purchased an aggregate of 2,397,100 shares of Common Stock on
behalf  of the  Managed  Accounts  in open  market  transactions  on the  Nasdaq
National Market as follows:

Number of Shares Date of Purchase Purchased Price Per Share - ---------------- ---------------- --------------- 6/25/1997 255,000 13.1250 6/26/1997 25,000 13.0500 6/26/1997 635 12.7500 6/27/1997 80,000 12.8672 6/30/1997 25,000 12.7000 7/1/1997 20,000 12.8750 7/2/1997 35,000 12.7589 7/3/1997 10,000 12.5000 7/7/1997 30,000 12.3125 7/11/1997 210,000 12.1190 7/14/1997 90,000 12.1944 7/15/1997 100,000 12.1250 7/17/1997 90,000 12.1250 7/21/1997 5,000 12.6250 7/22/1997 35,000 13.0714 7/24/1997 45,000 13.1250 7/24/1997 31,600 13.1201 7/25/1997 90,000 13.1250 7/28/1997 65,000 13.1250 7/28/1997 100,000 13.1325 7/29/1997 200,000 13.1563 7/30/1997 200,000 13.2500 7/30/1997 1,500 13.1875 7/31/1997 100,000 13.2813 8/1/1997 157,200 13.2279 8/4/1997 94,400 13.2297 8/5/1997 83,100 13.3749 8/6/1997 10,200 13.3750 8/7/1997 23,800 13.4770 8/11/1997 6,700 13.5000 8/12/1997 32,800 14.3100 8/13/1997 123,500 14.3760 8/14/1997 23,800 14.5922
In addition, Mr. Smith purchased 7,500 shares at a price of $14.75 per share on June 24, 1997 and 92,500 shares at a price of $13.395 per share on June 25, 1997; and Mr. Tryforos purchased 14,700 shares at a price of $12.75 per share on June 25, 1997. (d) The Managed Accounts have the right to receive dividends from, and the proceeds from the sale of, the Managed Accounts' Shares. (e) Not Applicable. Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer. Except as otherwise set forth in this statement, there are no contracts, arrangements, understandings or relationships between any of the Reporting Persons and any other person with respect to any securities of the issuer, including any contract, arrangement, understanding or relationship concerning the transfer or the voting of any securities of the issuer, finder's fees, joint ventures, loan or option arrangements, puts or calls, guarantees of profits, division of profits or loss, or the giving or withholding of proxies. Item 7. Material to be Filed as Exhibits. 1. Agreement relating to the joint filing of Statement on Schedule 13D dated August 14, 1997 as required by Rule 13d-1(f). SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: August 14, 1997 /s/ Thomas W. Smith ------------------------- Thomas W. Smith /s/ Thomas N. Tryforos ------------------------- Thomas N. Tryforos Exhibit Index Sequentially Document Numbered Page - -------- ------------- 1. Agreement relating to the joint 10 filing of Statement on Schedule 13D dated August 14, 1997 as required by Rule 13d-1(f). Exhibit 1 Joint Filing Agreement The undersigned agree that the foregoing Statement on Schedule 13D, dated August 14, 1997 is being filed with the Securities and Exchange Commission on behalf of each of the undersigned pursuant to Rule 13d-1(f). Dated: August 14, 1997 /s/ Thomas W. Smith ------------------------- Thomas W. Smith /s/ Thomas N. Tryforos ------------------------- Thomas N. Tryforos