Auto Parts at AutoZone vs O'Reilly Auto Parts
The facts we hold on both, side by side. Checked October 16, 2026.
In short
- Auto Parts at AutoZone gets more monthly visits than O'Reilly Auto Parts: about 35M vs 20M.
- O'Reilly Auto Parts runs more live Meta ads than Auto Parts at AutoZone: 325 vs 73.
- Auto Parts at AutoZone advertised on more days in the past 12 months: 19 vs 18.
| Fact |  Auto Parts at AutoZone |  O'Reilly Auto Parts |
|---|---|---|
| Monthly visits (SimilarWeb) | 35M (Sep 2026) | 20M (Sep 2026) |
| Live Meta ads | 73 | 325 |
| Store created | Dec 2016 | Dec 2016 |
| Based in | United States | United States |
| Niche | Parts & Services | Parts & Services |
Questions shoppers ask
- What is the difference between Auto Parts at AutoZone and O'Reilly Auto Parts?
- Auto Parts at AutoZone gets more monthly visits than O'Reilly Auto Parts: about 35M vs 20M. O'Reilly Auto Parts runs more live Meta ads than Auto Parts at AutoZone: 325 vs 73. Auto Parts at AutoZone advertised on more days in the past 12 months: 19 vs 18.
- Do Auto Parts at AutoZone and O'Reilly Auto Parts sell the same things?
- Both are in the Parts & Services niche.
Facts from the Meta Ad Library, SimilarWeb, Trustpilot and each store; a fact only one of them has is left out. Is Auto Parts at AutoZone legit? · Is O'Reilly Auto Parts legit?