US Automotive Auto Parts - PPC Market Share Analysis April 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 25.9367596523
74.0632403477
25%

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 7%
Transactional 8%
Navigational 1%
Seasonal 0%
Local 2%
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 40.34
advanceautoparts.com 18.72
partsgeek.com 5.3
napaonline.com 4.16
carparts.com 2.9
summitracing.com 1.74
kbb.com 1.66
harborfreight.com 1.51
bumper.com 0.97
oreillyauto.com 0.78
others 21.92
  • autozone.com - 40.34%
  • advanceautoparts.com - 18.72%
  • partsgeek.com - 5.3%
  • napaonline.com - 4.16%
  • carparts.com - 2.9%
  • summitracing.com - 1.74%
  • kbb.com - 1.66%
  • harborfreight.com - 1.51%
  • bumper.com - 0.97%
  • oreillyauto.com - 0.78%
  • others - 21.92%

Copyright © Adthena. All rights reserved.

AutoZone leads with 40.34% click share, followed by Advance Auto Parts at 18.72%. Others collectively hold 21.92%, 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 carparts.com partsgeek.com bumper.com napaonline.com peddle.com harborfreight.com uline.com grainger.com
2026/04/01 14.17% 8.99% 6.31% 5.27% 3.23% 0.08% 1.96% 1.66% 2.96% 2.85%
2026/04/02 15.85% 8.37% 5.84% 5.27% 3.14% 1.03% 2.18% 1.48% 2.03% 1.97%
2026/04/03 15.39% 8.6% 6.43% 5.49% 2.03% 0.51% 2.14% 1.84% 2.56% 1.99%
2026/04/04 16.01% 9.36% 5.24% 5.02% 2.33% 0.73% 2.66% 2.09% 1.73% 0%
2026/04/05 15.3% 7.73% 6.12% 5.38% 3.87% 0.13% 1.99% 2.48% 1.43% 0%
2026/04/06 16.38% 8.48% 5.28% 4.98% 2.82% 0.79% 1.86% 1.95% 2.05% 2.79%
2026/04/07 14.16% 7.89% 6.93% 5.19% 3.44% 0.6% 2.4% 1.53% 1.89% 2.16%
2026/04/08 16.08% 10.25% 7.59% 5.91% 2.28% 0.02% 2.29% 1.24% 1.81% 1.82%
2026/04/09 15.36% 10.71% 6.38% 5.2% 3.55% 0% 2.15% 1.56% 2.51% 1.77%
2026/04/10 13.9% 8.4% 7.48% 5.75% 4.25% 0.15% 3.26% 1.75% 1.83% 1.3%
2026/04/11 16.5% 9.21% 7.96% 6.61% 2.99% 0.15% 3.04% 2.35% 1.53% 0%
2026/04/12 12.09% 9.03% 7.88% 5.23% 3.83% 0.16% 3.75% 2.17% 1.25% 0%
2026/04/13 12.77% 8.2% 7.21% 5.52% 3.79% 0.02% 2.3% 2.07% 1.78% 2.14%
2026/04/14 13.76% 8.45% 7.03% 5.09% 3.16% 0.77% 2.84% 1.76% 1.92% 2.41%
2026/04/15 14.94% 10.97% 6.03% 5.31% 2.55% 0.04% 2.35% 2.23% 2.38% 1.66%
2026/04/16 13.74% 7.12% 5.88% 5.57% 2.16% 1.27% 2.2% 1.33% 2.33% 1.8%
2026/04/17 12.68% 9.17% 6.93% 5.5% 3.51% 1.52% 2.62% 1.71% 2.53% 2.43%
2026/04/18 13.43% 7.87% 5.85% 5.85% 2.2% 4.14% 2.98% 2.74% 1.54% 0%
2026/04/19 10.92% 10.77% 7.45% 6.52% 3.05% 4.56% 3.05% 1.48% 1.46% 0%
2026/04/20 14.8% 7.88% 6.74% 5.26% 2.3% 2.12% 3.61% 2% 1.51% 1.27%
2026/04/21 12.98% 9.32% 6.79% 6% 3.22% 1.53% 2.77% 2.94% 1.15% 1.17%
2026/04/22 14.18% 7.72% 6.88% 5.55% 2.41% 3.11% 3.07% 2.37% 1.89% 1.05%
2026/04/23 13.73% 8.6% 6.52% 4.89% 2.96% 3.53% 3.12% 2.21% 1.93% 0.56%
2026/04/24 15.43% 8.51% 6.13% 6.07% 2.74% 2.45% 2.83% 2.49% 1.07% 0.91%
2026/04/25 14.18% 8.06% 6.44% 5.01% 3.56% 3.61% 2.87% 2.25% 0.62% 0%
2026/04/26 12.22% 10.46% 6.96% 6.32% 3.66% 5.52% 3.08% 2.36% 0.37% 0%
2026/04/27 18.1% 8.79% 6.73% 5.99% 2.89% 4.34% 2.69% 1.84% 0.79% 0.52%
2026/04/28 15.31% 10.38% 6.92% 5.66% 3.48% 4.26% 2.71% 2.22% 1.13% 0.91%
2026/04/29 13.66% 13.18% 6.68% 5.37% 3.75% 3.22% 3.32% 1.89% 1.21% 0.6%
2026/04/30 16.43% 10.69% 6.59% 5.93% 5.23% 3.91% 2.59% 2.28% 1% 0.55%
  • autozone.com
  • advanceautoparts.com
  • carparts.com
  • partsgeek.com
  • bumper.com
  • napaonline.com
  • peddle.com
  • harborfreight.com
  • uline.com
  • grainger.com

Copyright © Adthena. All rights reserved.

AutoZone led April with fluctuating spend, peaking at 18.10% on the 27th. Advance Auto Parts saw a notable rise on the 29th, reaching 13.18%. CarParts.com maintained steady growth, while PartsGeek and Bumper.com showed consistent activity. NapaOnline surged mid-month, and Peddle.com remained stable. HarborFreight and Uline experienced minor fluctuations, while Grainger.com had intermittent activity.

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
2026/04/01 1333
2026/04/02 1443
2026/04/03 1452
2026/04/04 1446
2026/04/05 1551
2026/04/06 1778
2026/04/07 1546
2026/04/08 1419
2026/04/09 1476
2026/04/10 1343
2026/04/11 1265
2026/04/12 1304
2026/04/13 1462
2026/04/14 1370
2026/04/15 1655
2026/04/16 1510
2026/04/17 1392
2026/04/18 1538
2026/04/19 1269
2026/04/20 1346
2026/04/21 1295
2026/04/22 1335
2026/04/23 1268
2026/04/24 1273
2026/04/25 1129
2026/04/26 1213
2026/04/27 1274
2026/04/28 1251
2026/04/29 1200
2026/04/30 1222

Copyright © Adthena. All rights reserved.

April began with 1,333 advertisers, peaking at 1,778 on the 6th. A decline followed, ending the month at 1,222.

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
napaonline.com 7.02%
partsgeek.com 0.54%
goodcar.com 0.21%
harborfreight.com 0.13%
revzilla.com 0.07%
oreillyauto.com -0.16%
advanceautoparts.com -0.17%
uline.com -0.24%
grainger.com -0.38%
autozone.com -3.67%

Copyright © Adthena. All rights reserved.

Napaonline.com surged with a 7.02% click share increase, while autozone.com faced a significant drop of 3.67%.

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 partsgeek.com napaonline.com harborfreight.com carparts.com bumper.com oreillyauto.com uline.com grainger.com
2026/04/01 21.22% 12.79% 5.61% 0.29% 2.87% 3.89% 1.93% 1.06% 3.08% 3.91%
2026/04/02 25.03% 10.96% 5.49% 0.78% 2.88% 3.59% 1.86% 2.58% 2.05% 2.93%
2026/04/03 24.49% 12.06% 5.47% 0.85% 3.21% 3.68% 1.19% 1.24% 2.52% 2.67%
2026/04/04 24.92% 13.2% 5.22% 0.52% 3.72% 3.63% 1.34% 2.12% 1.72% 0%
2026/04/05 24.36% 10.64% 5.02% 0.23% 4.7% 4.29% 2.17% 1.03% 1.41% 0%
2026/04/06 23.55% 10.45% 4.83% 1.27% 3.61% 3.33% 1.48% 2.15% 1.99% 3.78%
2026/04/07 21.73% 11.14% 5.35% 0.66% 2.8% 4.54% 1.93% 0.72% 2% 3.28%
2026/04/08 25.25% 14.25% 5.84% 0.04% 2.43% 4.78% 1.2% 1.02% 1.81% 2.77%
2026/04/09 24.45% 13.72% 5.18% 0% 2.56% 3.94% 1.87% 2.04% 2.56% 2.42%
2026/04/10 22.54% 11.85% 5.98% 0.5% 3.19% 5.17% 2.37% 0.66% 1.98% 1.89%
2026/04/11 25.51% 14.2% 6.7% 0.31% 3.79% 5.6% 1.71% 0.46% 1.65% 0%
2026/04/12 20.74% 12.78% 5.34% 0.56% 4.28% 4.86% 2.3% 0.87% 1.33% 0%
2026/04/13 21.17% 11.81% 6.12% 0.04% 3.69% 4.98% 2.09% 1.98% 1.94% 3.05%
2026/04/14 20.3% 12.52% 5.89% 1.37% 3% 4.35% 1.75% 2.23% 1.9% 3.77%
2026/04/15 22.84% 10.96% 5.73% 0.07% 4.03% 3.97% 1.27% 1.99% 2.03% 2.38%
2026/04/16 20.53% 10.4% 5.89% 0.84% 2.28% 3.39% 1.11% 2.3% 2.6% 2.68%
2026/04/17 20.52% 11.86% 5.49% 2.28% 3.43% 4.15% 1.97% 0.92% 2.78% 3.52%
2026/04/18 20.22% 10.7% 6.19% 6.09% 4.72% 3.76% 1.26% 0.8% 1.28% 0%
2026/04/19 18.59% 15.54% 7.11% 5.71% 2.58% 4.8% 1.78% 2.22% 1.5% 0%
2026/04/20 24.34% 11.32% 5.32% 3.4% 3.06% 4.29% 1.45% 2.04% 1.54% 1.95%
2026/04/21 22.53% 12.29% 6.29% 1.7% 4.71% 4.37% 1.82% 2.56% 1.2% 1.86%
2026/04/22 22.2% 11.48% 6.26% 4.62% 4.28% 4.54% 1.41% 2.3% 2.21% 1.57%
2026/04/23 21.26% 12.31% 5.38% 5.56% 3.92% 4.34% 1.79% 2.3% 2.18% 0.76%
2026/04/24 23.74% 12.73% 6.87% 3.72% 4.21% 4.13% 1.51% 1.23% 1.1% 1.46%
2026/04/25 22.93% 12.52% 5.41% 4.29% 4.22% 4.1% 2.18% 3.89% 0.56% 0%
2026/04/26 20.16% 13.9% 6.49% 8.35% 4.38% 4.75% 2.45% 0.79% 0.35% 0%
2026/04/27 27.25% 11.46% 6.39% 5.42% 3.05% 3.83% 1.73% 3.09% 0.75% 0.81%
2026/04/28 23.87% 13.5% 5.82% 6.01% 3.89% 5.04% 2.11% 0.8% 1.11% 1.49%
2026/04/29 22.62% 16.99% 5.81% 4.13% 3.47% 4.65% 2.2% 1% 1.11% 0.93%
2026/04/30 25.22% 13.44% 6.43% 4.88% 4.09% 3.83% 3.01% 1.33% 1.03% 0.88%
  • autozone.com
  • advanceautoparts.com
  • partsgeek.com
  • napaonline.com
  • harborfreight.com
  • carparts.com
  • bumper.com
  • oreillyauto.com
  • uline.com
  • grainger.com

Copyright © Adthena. All rights reserved.

AutoZone led April with fluctuating impressions, peaking at 27.25% on the 27th. Advance Auto Parts saw a steady rise, ending at 13.44%. PartsGeek maintained a consistent presence, while NapaOnline surged mid-month. The month concluded with AutoZone maintaining dominance.

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 Official Site https://shop.advanceautoparts.com › auto-parts

    Shop Online & Pickup In Store — Shop Our Wide Selection of High-Quality Parts Made For Your Vehicle.

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

    Shop In-Store or Online Now — Shop online or check store availability for the quality auto parts you need. Get started! Visit your local...

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

    Over 1 million car parts at your fingertips. From collision, maintenance, and upgrades to accessories, CarParts.com offers top-quality auto parts at prices you can afford.

  4. 4
    NAPA Auto Parts® Official Site - Buy Online & Pick Up In-Store https://www.napaonline.com

    Buy Online For In-Store Or Curbside Pickup, Ship To Home, Or Reserve Online & Pay In-Store

  5. 5
    Summit Racing Equipment | Automotive Parts & Tools https://www.summitracing.com

    Parts for cars, trucks, SUV's, motorcycles, ATV's, boats & more. Low prices. Four giant distribution centers to get parts to you fast. Big selection. Order today! New Summit Racing Rewards.

Copyright © Adthena. All rights reserved.

In the competitive landscape of auto parts, Advance Auto Parts, AutoZone, CarParts.com, NAPA, and Summit Racing dominate with themes of convenience and affordability. Their messaging emphasizes online shopping, in-store pickup, and vast selections, catering to diverse vehicle needs.

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