US Automotive Auto Parts - PPC Market Share Analysis July 2026

Leveraging Adthena’s Whole Market View, this analysis explores recent trends in Google Ads for the US Auto Parts category from the last month. Our Data Analyst, Ask Arlo provides commentary on key findings.

Auto Parts – US

Google AI Overview visibility for Automotive Auto Parts US

See how often AIOs appear and how search intent is distributed across buying signals.

AIO Frequency

How often a Google AI overview appears on search terms relevant to this category.

Frequency Percentage
Frequency 37.3597118189
62.6402881811
37%

Complex Query Frequency

A complex query is a longer, more detailed search that often contains multiple keywords, specific conditions, or multi-part questions.

Frequency Percentage
Frequency 25
75
25%

Search Intent Distribution

Breakdown of search queries by their underlying goal.

Intent Distribution
Investigational 5%
Transactional 9%
Navigational 2%
Seasonal 0%
Local 1%
Problem Solving 8%

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Market Exposure

Share of Clicks for top 10 US Automotive Auto Parts brands

Here are the Top 10 competitors in the industry by Share of Clicks for the last month.

Share of Clicks - Last month
Share of Clicks - Last month
Domain Share of clicks
autozone.com 34.21
advanceautoparts.com 20.53
napaonline.com 7.87
partsgeek.com 5.1
carparts.com 2.5
summitracing.com 1.91
kbb.com 1.91
harborfreight.com 1.81
oreillyauto.com 1.04
etrailer.com 0.68
others 22.44
  • autozone.com - 34.21%
  • advanceautoparts.com - 20.53%
  • napaonline.com - 7.87%
  • partsgeek.com - 5.1%
  • carparts.com - 2.5%
  • summitracing.com - 1.91%
  • kbb.com - 1.91%
  • harborfreight.com - 1.81%
  • oreillyauto.com - 1.04%
  • etrailer.com - 0.68%
  • others - 22.44%

Copyright © Adthena. All rights reserved.

AutoZone leads with 34.21% click share, followed by Advance Auto Parts at 20.53%. Others collectively hold 22.44%, showcasing diverse competition.

Market Exposure

Share of Spend for the top 10 US Automotive Auto Parts brands

Curious about your market position? Here you can see the Top 10 competitors in the industry by Share of Spend for the last month. 

Share of Spend - Last Month
Share of Spend - Last Month
Date autozone.com advanceautoparts.com partsgeek.com carparts.com napaonline.com harborfreight.com peddle.com etrailer.com bumper.com oreillyauto.com
2026/07/01 15% 13.68% 4.62% 4.67% 6.02% 0.95% 2.5% 0.9% 2.79% 1.05%
2026/07/02 12.69% 12.69% 4.48% 3.97% 4.99% 1.4% 1.9% 0.97% 2.6% 2.03%
2026/07/03 10.89% 15.06% 5.73% 4.82% 4.21% 0.87% 1.61% 0.86% 2.43% 1.2%
2026/07/04 13.51% 12.9% 4.45% 3.52% 5.15% 1.03% 1.95% 0.81% 2.41% 2.78%
2026/07/05 15% 12.09% 4.57% 4.56% 4.65% 0.86% 1.11% 1.29% 2.79% 1.94%
2026/07/06 13.36% 14.28% 4.68% 4.57% 5.32% 0.67% 1.39% 0.91% 3.24% 0.87%
2026/07/07 15.84% 12.55% 4.7% 3.77% 5.4% 0.95% 1.2% 0.83% 1.99% 0.88%
2026/07/08 16.33% 14.74% 4.88% 4.13% 4.67% 1.6% 1.15% 0.99% 2.89% 1.28%
2026/07/09 15.83% 8.58% 4.46% 3.02% 3.57% 3.41% 0.98% 1.26% 2.16% 1.03%
2026/07/10 10.69% 14.01% 4.82% 3.51% 3.28% 2.7% 0.81% 1.42% 1.66% 1.1%
2026/07/11 14.94% 10.09% 3.75% 3.02% 3.92% 2.37% 1.2% 1.67% 1.68% 0.96%
2026/07/12 13.58% 11.48% 4.23% 3.77% 4.46% 2.75% 1.32% 1.86% 1.94% 0.89%
2026/07/13 14.63% 13.94% 5.45% 4.59% 4.77% 1.18% 1.96% 1.36% 1.86% 1.57%
2026/07/14 14.12% 12.91% 6.9% 4.83% 5.12% 0.98% 1.82% 1.34% 1.1% 2.15%
2026/07/15 14.12% 13.29% 5.66% 5.33% 3.21% 1.44% 2.02% 1.28% 1.3% 1.09%
2026/07/16 10.43% 12.55% 5.07% 4.89% 2.89% 1.33% 2.31% 1.02% 2.41% 1.58%
2026/07/17 15.88% 11.41% 3.82% 4.6% 4.62% 1.62% 2.01% 1.31% 2.4% 0.22%
2026/07/18 11.61% 12.65% 4.49% 3.67% 4.84% 1.66% 1.78% 1.49% 1.9% 0.32%
2026/07/19 12.49% 9.88% 3.4% 3.98% 4.56% 2.32% 1.57% 1.38% 1.91% 1.13%
2026/07/20 9.75% 12.27% 5.4% 5.76% 5.18% 2.16% 2.24% 1.36% 1.54% 0.98%
2026/07/21 14.09% 12.88% 6.88% 4.82% 5.11% 0.98% 1.82% 1.34% 1.1% 2.15%
2026/07/22 14.68% 10.76% 4.53% 4.04% 5.11% 2.24% 1.81% 1.48% 1.87% 1.85%
2026/07/23 14.7% 11.44% 5.43% 3.89% 3.8% 1.98% 1.36% 1.32% 1.72% 1.23%
2026/07/24 10.35% 9.51% 7.06% 4.16% 3.26% 2.84% 1.56% 1.49% 2.13% 1.32%
2026/07/25 15.17% 10.38% 5.37% 3.86% 4.5% 2.86% 1.95% 1.22% 2.1% 1.22%
2026/07/26 12.99% 10.48% 6.62% 4.54% 2.9% 2.82% 1.44% 1.35% 2.31% 1.19%
2026/07/27 12.71% 13.02% 4.55% 3.82% 4% 2.35% 1.92% 1.32% 1.8% 1.15%
2026/07/28 11.84% 15.07% 3.8% 4.85% 3.44% 2.47% 1.82% 1.08% 2.28% 1.98%
2026/07/29 10.48% 13.35% 4.43% 4.42% 3.72% 2.2% 2.47% 1.27% 2.27% 0.59%
2026/07/30 15.81% 14.03% 4.14% 3.3% 3.82% 1.67% 1.78% 1.09% 2.09% 1.76%
2026/07/31 17.94% 10.93% 4.41% 3.77% 3.42% 2.14% 1.6% 1.37% 1.19% 0.72%
  • autozone.com
  • advanceautoparts.com
  • partsgeek.com
  • carparts.com
  • napaonline.com
  • harborfreight.com
  • peddle.com
  • etrailer.com
  • bumper.com
  • oreillyauto.com

Copyright © Adthena. All rights reserved.

AutoZone’s PPC share fluctuated, peaking at 17.94% on July 31. Advance Auto Parts saw a steady presence, while PartsGeek and CarParts maintained lower shares. NapaOnline and HarborFreight showed varied trends, ending July with moderate shares.

Market Exposure

Competitor Count for US Automotive Auto Parts

Ever wondered how many competitors you’re up against in your industry? Well look no further, here we can see the number of advertisers bidding over the last month. 

Competitor Count - Last month
Competitor Count - Last month
Date Competitor Count
2026/07/01 1288
2026/07/02 1495
2026/07/03 1448
2026/07/04 1507
2026/07/05 1455
2026/07/06 1354
2026/07/07 1371
2026/07/08 1379
2026/07/09 1541
2026/07/10 1764
2026/07/11 1645
2026/07/12 1707
2026/07/13 1565
2026/07/14 1431
2026/07/15 1417
2026/07/16 1375
2026/07/17 1293
2026/07/18 1349
2026/07/19 1418
2026/07/20 1302
2026/07/21 1431
2026/07/22 1995
2026/07/23 1999
2026/07/24 1920
2026/07/25 1939
2026/07/26 2011
2026/07/27 1802
2026/07/28 1714
2026/07/29 1606
2026/07/30 1548
2026/07/31 1557

Copyright © Adthena. All rights reserved.

July saw a dynamic shift in advertisers, starting at 1,288 and peaking at 2,011. The month concluded with 1,557 advertisers, reflecting a vibrant competitive landscape.

Campaign Efficiency

Market Loss & Market Gains for US Automotive Auto Parts

Here we’re looking at the Top 10 biggest industry movers by market share gains and losses for the last 30 days.

Market Loss & Market Gains - Last month
Market Loss & Market Gains - Last month
Name Market Trend
partsgeek.com 0.77%
harborfreight.com 0.65%
summitracing.com 0.3%
oreillyauto.com 0.14%
carparts.com 0.09%
bumper.com -0.06%
bestlicenseplateframes.com -0.07%
napaonline.com -0.13%
advanceautoparts.com -0.34%
autozone.com -2.68%

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Partsgeek.com surged with a 0.77% increase, while Autozone.com faced a significant drop of 2.68%.

Campaign Efficiency

US Automotive Auto Parts Share of Impressions

Take a look at the Top 10 competitors in the industry by Share of Impressions over the last month.

Date autozone.com advanceautoparts.com napaonline.com partsgeek.com harborfreight.com carparts.com oreillyauto.com uline.com etrailer.com summitracing.com
2026/07/01 20.55% 17.83% 7.81% 5.45% 2% 3.26% 2.76% 0.99% 1.11% 1.06%
2026/07/02 18.08% 16.25% 6.49% 5.2% 3.12% 2.86% 3.09% 1.03% 1.08% 0.96%
2026/07/03 16.5% 18.84% 5.72% 6.71% 1.82% 3.45% 2.82% 1.05% 0.91% 1.27%
2026/07/04 20.08% 15.23% 7.41% 5.82% 2.13% 2.54% 4.19% 0.54% 0.94% 1.18%
2026/07/05 21.67% 13.65% 6.41% 5.85% 1.71% 3.04% 2.74% 0.54% 1.41% 1.23%
2026/07/06 19.46% 16.44% 7.31% 5.27% 1.31% 3.15% 1.88% 1.08% 1.03% 1.02%
2026/07/07 22.49% 15.45% 7.45% 6.3% 1.76% 2.83% 1.25% 1.12% 1.03% 0.72%
2026/07/08 22.68% 17.8% 5.42% 5.66% 3.11% 2.61% 2.71% 1.12% 1.2% 0.75%
2026/07/09 20.42% 11.85% 4.14% 5.31% 6.47% 1.81% 1.78% 1.41% 1.58% 0.84%
2026/07/10 14.31% 15.68% 4.42% 5.93% 5.14% 2.14% 1.73% 1.81% 1.7% 0.98%
2026/07/11 21.71% 12.18% 4.3% 3.93% 4.07% 1.69% 1.46% 1.72% 2.03% 1.29%
2026/07/12 19.9% 13.47% 5.06% 4.57% 5.07% 2.36% 1.9% 1.49% 2.15% 1.41%
2026/07/13 20.79% 16.84% 5.05% 6.2% 2.44% 3.13% 2.52% 1.57% 1.7% 1.55%
2026/07/14 19.64% 15.14% 6.48% 6.76% 2.2% 2.92% 5.21% 1.18% 1.68% 1.74%
2026/07/15 18.93% 16.08% 4.05% 6.31% 3.08% 3.52% 2.37% 1.49% 1.65% 1.55%
2026/07/16 16% 16.32% 2.76% 5.86% 3.13% 3.03% 3.39% 1.4% 1.4% 1.61%
2026/07/17 22.13% 14.68% 5.21% 5.11% 3.58% 2.38% 0.5% 1.13% 1.73% 1.58%
2026/07/18 15.83% 15.94% 5.92% 5.09% 3.14% 2.31% 0.66% 1.2% 1.95% 1.5%
2026/07/19 16.79% 11.39% 5.23% 3.93% 4.81% 2.28% 2.27% 1.35% 1.81% 2.02%
2026/07/20 15.29% 13.37% 5.93% 6.19% 4.69% 3.27% 1.35% 1.5% 1.75% 2.21%
2026/07/21 19.64% 15.14% 6.48% 6.76% 2.2% 2.92% 5.21% 1.18% 1.68% 1.74%
2026/07/22 19.91% 13.28% 5.67% 4.91% 4.46% 2.46% 3.03% 1.2% 1.74% 1.18%
2026/07/23 19.62% 13.94% 4.68% 6.2% 3.9% 2.47% 2.29% 1.33% 1.6% 1.62%
2026/07/24 15.46% 11.94% 4.04% 7.47% 5.33% 2.83% 2.16% 1.78% 1.84% 1.22%
2026/07/25 20.47% 12.94% 5.18% 5.99% 5.51% 2.39% 2.42% 1.12% 1.52% 1.26%
2026/07/26 17.38% 12.96% 4.06% 7.56% 5.17% 2.72% 1.93% 1.31% 1.74% 1.39%
2026/07/27 18.72% 15.29% 4.55% 5.37% 4.6% 2.37% 1.88% 1.58% 1.58% 1.42%
2026/07/28 16.86% 18.66% 4.39% 3.94% 4.93% 2.62% 4.4% 1.29% 1.33% 1.54%
2026/07/29 15.31% 17.22% 5.96% 5.29% 4.85% 2.93% 1.34% 1.67% 1.64% 0.82%
2026/07/30 22.39% 15.09% 5.55% 4.81% 3.35% 2.12% 3.6% 1.46% 1.4% 1.06%
2026/07/31 23.59% 14.22% 4.56% 4.21% 4.03% 2.22% 2.18% 1.9% 1.69% 1.46%
  • autozone.com
  • advanceautoparts.com
  • napaonline.com
  • partsgeek.com
  • harborfreight.com
  • carparts.com
  • oreillyauto.com
  • uline.com
  • etrailer.com
  • summitracing.com

Copyright © Adthena. All rights reserved.

AutoZone’s impression share fluctuated, peaking at 23.59% on July 31. Advance Auto Parts saw a decline, ending at 14.22%. NapaOnline’s share remained low, closing at 4.56%.

Campaign Efficiency

Google Text Ad Copy Insights & Creative Trends for US Automotive Auto Parts

Ever wondered how your rivals’ ads are doing? Here we can see the top-performing ads in the industry over the last month.

Google Text Ad Copy Insights & Creative Trends for US Automotive Auto Parts - Last month
  1. 1
    Advance Auto Parts® https://shop.advanceautoparts.com › auto-parts

    Shop Online or In Store Now — Shop Online or Visit Your Local Advance Auto Parts® & Have a Team Member Help You Today.

  2. 2
    AutoZone Official Site https://www.autozone.com

    Shop In-Store or Online Now — Visit your local store or shop online for the quality parts & accessories you need. AutoZone has...

  3. 3
    Auto Parts by CarParts.com - Quality Parts, Priced Right https://www.carparts.com

    Over 1 million auto parts available at the lowest prices possible. From headlights, to mirrors, to bumpers - CarParts.com has all of the replacement car parts you need.

  4. 4
    NAPA Auto Parts® Official Site https://www.napaonline.com

    Shop NAPA® Online — Order Custom-Made Towing Accessories From NAPA® To Perfectly Fit Your Make & Model. Discover Top Name Brand Towing Accessories From Curt, B&W, Blue Ox & More at NAPA® Online.

  5. 5
    O'Reilly Auto Parts https://www.oreillyauto.com

    Buy Online & Pickup In Store — Find the repair parts you need when you shop O'Reilly Auto Parts in-store and online.

Copyright © Adthena. All rights reserved.

Advance Auto Parts emphasizes personalized assistance, while AutoZone highlights convenience and quality. CarParts.com focuses on affordability with a vast selection. NAPA Auto Parts showcases custom towing solutions, and O’Reilly Auto Parts promotes seamless online-to-store shopping. Each ad uniquely targets customer needs.

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