AutoZone vs O‘Reilly: An In-Depth Comparison for 2024

When it comes to keeping your vehicle running smoothly, AutoZone and O‘Reilly are two of the leading auto parts retailers to choose from. They both offer a wide selection of replacement parts, maintenance essentials, tools and more for DIYers and pro mechanics alike.

But how exactly do these two auto parts giants compare when you look at the key factors side-by-side? This in-depth guide examines everything you need to know about AutoZone and O‘Reilly in 2024.

Key Auto Parts Market Share and Sales

AutoZone and O‘Reilly make up a substantial portion of the total auto parts market. According to market research, AutoZone holds an estimated 13% share of the consumer auto parts market while O‘Reilly has around 9% share. [1]

In terms of sales, AutoZone maintains the lead. For fiscal year 2022 ending in August, AutoZone reported $16.3 billion in total sales revenue. [2] O‘Reilly posted $14.8 billion in total revenue for its 2022 fiscal year ending in December. [3]

Retailer2022 RevenueRevenue Growth
AutoZone$16.3 billion8.2% increase YoY
O‘Reilly$14.8 billion13% increase YoY

While O‘Reilly saw higher growth last year, AutoZone still pulls in more absolute revenue. However, O‘Reilly is steadily closing the gap.

AutoZone vs O‘Reilly Store Count

Convenience is key for auto parts, so store availability makes a difference. In terms of domestic U.S. presence, AutoZone has the edge with over 6,100 stores compared to nearly 6,000 O‘Reilly locations.

AutoZone has accelerated new store openings, adding 193 stores just last year. O‘Reilly opened 242 new stores in 2022, continuing to expand its footprint. [4]

RetailerU.S. Store CountNew Stores Added (2022)
AutoZone6,115193
O‘Reilly5,996242

AutoZone also leads in Mexico store count with 678 stores versus 166 for O‘Reilly. When it comes to having an available store nearby, AutoZone currently has a slight advantage though O‘Reilly‘s growth could shift the scales.

Depth of Product Inventory and Availability

Both AutoZone and O‘Reilly offer wide ranging product selection with plenty of name brand and private label options. But which one gives you better access to the parts you need?

Industry data shows O‘Reilly has a higher average inventory availability at 93% compared to AutoZone‘s 90% part fill rate. [5] This suggests O‘Reilly stores may have an easier time getting the specific parts ordered by customers.

AutoZone does hedge this with a larger online selection at AutoZone.com and specialty site AutoZonePro.com. But for in-store availability, O‘Reilly appears to have an edge.

Loyalty Programs and Saving Money

To help build customer loyalty and make parts more affordable, AutoZone and O‘Reilly both offer rewards programs with regular discounts and coupons.

AutoZone Rewards members earn a $20 reward for every 500 points. O‘Reilly Rewards doles out a $5 store credit for each 100 points. In terms of dollar-for-dollar rewards, the AutoZone program provides more return.

O‘Reilly runs frequent promotions like $5 off $10 or $10 off $50 for extra savings. AutoZone‘s current deals include 25% off select products and free battery testing.

When it comes to saving money, customers may be able to find slightly better discounts and coupon incentives at O‘Reilly. But both provide plenty of value through loyalty programs and regular promos.

Return Policies – O‘Reilly Has More Flexibility

The retailers have different policies for product returns that impact customer flexibility.

AutoZone has a 90 day window for returns. O‘Reilly has a much more flexible ongoing policy with no time limit on returns. O‘Reilly also does not require receipts for returns in most cases.

This gives O‘Reilly a clear edge for customers who need to return items down the road. But for quick returns, either retailer will suffice.

Customer Ratings and Reviews

Based on reviews and ratings on sites like Trustpilot, Consumer Affairs and more, customer satisfaction appears relatively similar:

  • AutoZone – 3 out of 5 stars average
  • O‘Reilly – 2.5 to 3 out of 5 stars average

Experiences can vary greatly depending on local store and staff. Some customers highlight great service, while others complain about long waits or unknowledgeable workers.

More in-depth analysis of customer reviews shows O‘Reilly scoring higher on positive experiences with store cleanliness, staff courtesy and order fulfillment. AutoZone had higher marks for competitive pricing and overall product selection. [6]

When it comes to satisfying customers, neither retailer stands out above the other. But O‘Reilly may have a slight edge in service quality.

The Final Takeaway

For most shoppers, AutoZone and O‘Reilly both offer quality options for conveniently purchasing needed auto parts and accessories at reasonable prices. Local availability, specific parts in stock, current promotions and customer service reputation can all sway the decision between these two market leaders.

Drivers are encouraged to evaluate all aspects and see which retailer best fits their needs and preferences. Be sure to also check other competitors like Advance Auto Parts and NAPA as well for a full slate of options.

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