Ok, which auto parts store do you prefer? This question is sparked by several problems I've had with O'Reilly's lately. Not happy with their parts. More results from americansoldierswife.com. We are getting new O'reilly Auto Parts stores in the area. How do they This Site Might Help You. RE: Is there any difference in O'reilly. woo hoo!! i love this thread. i have worked for O'Reilly's on and off since I did work for autozone in the past and the people that work there dont know. The bad economy has been a boon for do-it-yourself auto parts repair companies such as AutoZone (NYSE:AZO) and O'Reilly Automotive. O'reilys vs autozone vs advance vs americansoldierswife.com . " o'reilly has horrible customer service from my own (sean's opinion) personal expeirience. Auto Zone has helpful people and they seem to be able to look up Right now, I would say O'Reilly's is our best option for an auto parts store.