<ARTICLE>                     5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
Condensed  Consolidated  Balance Sheets at March 31, 2000  (unaudited) and March
31, 1999 (restated) and the Condensed Consolidated  Statements of Income for the
Three Months Ended March 31, 2000  (unaudited) and March 31, 1999 (restated) and
is qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK>                                          0000898173
<NAME>                                         O'REILLY AUTOMOTIVE, INC.
<MULTIPLIER>                                   1000
<CURRENCY>                                     U.S. DOLLARS

                                                             
<PERIOD-TYPE>                                  3-MOS               3-MOS
<FISCAL-YEAR-END>                              DEC-31-2000         DEC-31-1999
<PERIOD-START>                                 JAN-01-2000         JAN-01-1999
<PERIOD-END>                                   MAR-31-2000         MAR-31-1999
<EXCHANGE-RATE>                                1                   1
<CASH>                                         $9,432              $3,230
<SECURITIES>                                   500                 500
<RECEIVABLES>                                  29,585              50,245
<ALLOWANCES>                                   907                 894
<INVENTORY>                                    307,947             260,778
<CURRENT-ASSETS>                               371,805             321,847
<PP&E>                                         313,855             223,520
<DEPRECIATION>                                 61,256              42,821
<TOTAL-ASSETS>                                 633,535             513,542
<CURRENT-LIABILITIES>                          113,929             114,705
<BONDS>                                        0                   0
<PREFERRED-MANDATORY>                          0                   0
<PREFERRED>                                    0                   0
<COMMON>                                       510                 247
<OTHER-SE>                                     416,764             342,181
<TOTAL-LIABILITY-AND-EQUITY>                   633,535             513,542
<SALES>                                        195,758             166,404
<TOTAL-REVENUES>                               196,424             166,830
<CGS>                                          111,046             95,447
<TOTAL-COSTS>                                  65,226              54,716
<OTHER-EXPENSES>                               0                   0
<LOSS-PROVISION>                               437                 501
<INTEREST-EXPENSE>                             1,556               2,722
<INCOME-PRETAX>                                18,596              13,945
<INCOME-TAX>                                   7,029               5,342
<INCOME-CONTINUING>                            11,567              8,603
<DISCONTINUED>                                 0                   0
<EXTRAORDINARY>                                0                   0
<CHANGES>                                      0                   0
<NET-INCOME>                                   11,567              8,603
<EPS-BASIC>                                  0.23                0.20
<EPS-DILUTED>                                  0.23                0.20