<ARTICLE>                     5
<LEGEND>
This schedule contains summary financial  information (in thousands,  except per
share data) extracted from the Condensed Consolidated Balance Sheet at September
30, 2000,  (unaudited)  and  September  30, 1999,  (restated)  and the Condensed
Consolidated  Statement of Income for the Nine Months Ended  September 30, 2000,
(unaudited) and September 30, 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>                                  9-MOS                9-MOS
<FISCAL-YEAR-END>                              DEC-31-2000          DEC-31-1999
<PERIOD-START>                                 JAN-1-2000           JAN-1-1999
<PERIOD-END>                                   SEP-30-2000          SEP-30-1999
<EXCHANGE-RATE>                                1                    1
<CASH>                                         $12,269              $2,729
<SECURITIES>                                       500                 500
<RECEIVABLES>                                   63,740              55,205
<ALLOWANCES>                                       224                 439
<INVENTORY>                                    347,922             288,823
<CURRENT-ASSETS>                               429,161             350,302
<PP&E>                                         354,862             260,550
<DEPRECIATION>                                  72,240              51,257
<TOTAL-ASSETS>                                 722,007             581,346
<CURRENT-LIABILITIES>                          129,174             140,573
<BONDS>                                              0                   0
<PREFERRED-MANDATORY>                                0                   0
<PREFERRED>                                          0                   0
<COMMON>                                           514                 507
<OTHER-SE>                                     451,666             389,456
<TOTAL-LIABILITY-AND-EQUITY>                   722,007             581,346
<SALES>                                        673,530             570,912
<TOTAL-REVENUES>                               674,709             572,313
<CGS>                                          385,700             330,130
<TOTAL-COSTS>                                  214,822             182,679
<OTHER-EXPENSES>                                 4,530               3,417
<LOSS-PROVISION>                                   804               1,277
<INTEREST-EXPENSE>                               5,581               4,322
<INCOME-PRETAX>                                 68,478              54,686
<INCOME-TAX>                                    25,986              20,901
<INCOME-CONTINUING>                             42,492              33,785
<DISCONTINUED>                                       0                   0
<EXTRAORDINARY>                                      0                   0
<CHANGES>                                            0                   0
<NET-INCOME>                                    42,492              33,785
<EPS-BASIC>                                       0.83                0.70
<EPS-DILUTED>                                     0.82                0.69