WASHINGTON, D.C. 20549

                                    FORM 8-K
                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934

        Date of report (Date of earliest event reported): March 31, 2005

                            O'REILLY AUTOMOTIVE, INC.
             (Exact Name of Registrant as Specified in Its Charter)

         Missouri                    0-21318                    44-0618012
(State or Other Jurisdiction    (Commission file              (IRS Employer 
     of Incorporation)               number)               Identification No.)

                                233 S. Patterson
                           Springfield, Missouri 65802
               (Address of Principal Executive Offices)(Zip Code)

              (Registrant's Telephone Number, Including Area Code)

                                (Not Applicable)
         (Former name or former address, if changed since last report.)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2):

[_]  Written  communications  pursuant to Rule 425 under the  Securities Act (17
     CFR 230.425)

[_]  Soliciting  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR

[_]  Pre-commencement   communications  pursuant  to  Rule  14d-2(b)  under  the
     Exchange Act (17 CFR 240.14d-d(b))

[_]  Pre-commencement   communications  pursuant  to  Rule  13e-4(c)  under  the
     Exchange Act (17 CFR 240-13e-4(c))

Section 7 - Regulation FD

On March 31, 2005, O'Reilly  Automotive,  Inc. issued a press release announcing
company  presentation.  The text of the  press  release  is  attached  hereto as
Exhibit 99.1.

Number         Description
------         -----------------------------------------------------------------

 99.1          Press Release dated March 31, 2005

The  information  in this  Current  Report on Form 8-K,  including  the  exhibit
hereto,  shall not be deemed  "filed"  for the  purposes  of  Section  18 of the
Securities  Exchange  Act of 1934,  as  amended,  or  otherwise  subject  to the
liabilities of that section, nor shall it be deemed incorporated by reference in
any filing under the Securities Act of 1933, as amended.


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

Date:  October 29, 2004
                                     O'REILLY AUTOMOTIVE, INC.

                                     By:/s/ James R. Batten               
                                     James R. Batten
                                     Executive Vice President of Finance
                                      Chief Financial Officer and Treasurer
                                      (principal financial officer)


For further information contact:                               Greg Henslee
                                                               James R. Batten
                                                               (417) 862-3333


Springfield,  MO, March 31, 2005 -- O'Reilly  Automotive,  Inc. (the  "Company")
(Nasdaq:  ORLY),  plans to make a  presentation  at the  Sidoti & Company  Ninth
Annual Emerging Growth Institutional Investor Forum on Wednesday, April 6, 2005,
at 9:05 a.m. eastern time.

The  slides to be used in this  presentation  will be  available  April 6, 2005,
through the Company's website at  www.oreillyauto.com by clicking on "News" then
"Financial Reports" and finally "Sidoti & Company Presentation."

O'Reilly  Automotive,  Inc.  is  one  of  the  largest  specialty  retailers  of
automotive aftermarket parts, tools, supplies,  equipment and accessories in the
United  States,  serving  both the  do-it-yourself  and  professional  installer
markets.  Founded in 1957 by the O'Reilly  family,  the Company  operated  1,249
stores  within the states of  Alabama,  Arkansas,  Florida,  Georgia,  Illinois,
Indiana, Iowa, Kansas, Kentucky,  Louisiana,  Mississippi,  Missouri,  Nebraska,
North Carolina,  Oklahoma, South Carolina,  Tennessee,  Texas and Virginia as of
December 31, 2004.

The  Company  claims  the  protection  of the  safe-harbor  for  forward-looking
statements within the meaning of the Private Securities Litigation Reform Act of
1995.  These  statements  can be  identified  by  forward-looking  words such as
"expect,"  "believe,"   "anticipate,"   "good,"  "plan,"  "intend,"  "estimate,"
"project,"  "will" or similar words. In addition,  statements  contained  within
this press release that are not historical facts are forward-looking statements,
such as  statements  discussing  among  other  things,  expected  growth,  store
development and expansion  strategy,  business  strategies,  future revenues and
future  performance.  These  forward-looking  statements are based on estimates,
projections, beliefs and assumptions and are not guarantees of future events and
results.  Such statements are subject to risks,  uncertainties  and assumptions,
including, but not limited to, competition,  product demand, the market for auto
parts,  the economy in general,  inflation,  consumer debt levels,  governmental
approvals, our ability to hire and retain qualified employees,  risks associated
with the integration of acquired businesses,  weather, terrorist activities, war
and the threat of war.  Actual  results may materially  differ from  anticipated
results described or implied in these forward-looking  statements.  Please refer
to the Risk  Factors  sections  of the  Company's  Form 10-K for the year  ended
December 31, 2004, for more details.