US Automotive Auto Parts - PPC Market Share Analysis December 2025

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 24.4094052065
75.5905947935
24%

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 38
62
38%

Search Intent Distribution

Breakdown of search queries by their underlying goal.

Intent Distribution
Investigational 7%
Transactional 8%
Navigational 0%
Seasonal 0%
Local 1%
Problem Solving 19%

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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 31.72
advanceautoparts.com 17.28
napaonline.com 14.43
partsgeek.com 4.35
carparts.com 2.51
kbb.com 2.09
bumper.com 1.95
harborfreight.com 1.55
summitracing.com 1.35
oreillyauto.com 0.76
others 22.01
  • autozone.com - 31.72%
  • advanceautoparts.com - 17.28%
  • napaonline.com - 14.43%
  • partsgeek.com - 4.35%
  • carparts.com - 2.51%
  • kbb.com - 2.09%
  • bumper.com - 1.95%
  • harborfreight.com - 1.55%
  • summitracing.com - 1.35%
  • oreillyauto.com - 0.76%
  • others - 22.01%

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AutoZone leads with 31.72% click share, followed by Advance Auto Parts at 17.28%. Others collectively hold 22.01%, 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 napaonline.com bumper.com partsgeek.com carparts.com vinseeker.com peddle.com harborfreight.com kbb.com
2025/12/01 12.29% 8.83% 5.4% 6.18% 4.85% 5.23% 2.58% 2.41% 1.43% 1.99%
2025/12/02 12.59% 9.81% 5.39% 5.4% 5.28% 5.36% 2.06% 2.1% 2.04% 1.93%
2025/12/03 8.34% 10.14% 4.33% 4.89% 7.5% 3.61% 2.26% 2.05% 2.26% 1.11%
2025/12/04 16.55% 6.85% 3.77% 4.82% 5.16% 5.07% 1.96% 2.05% 2.06% 0.8%
2025/12/05 21.42% 7.46% 4.83% 4.41% 4.95% 6.95% 1.89% 2.14% 1.82% 0.89%
2025/12/06 21.13% 10.44% 5.64% 4.51% 6.3% 3.29% 1.38% 2.21% 1.63% 1.32%
2025/12/07 18.73% 8.73% 6.38% 5.96% 6% 4.75% 1.7% 2.5% 1.77% 1.22%
2025/12/08 25.14% 8.3% 6.95% 4.97% 3.73% 4.09% 2.11% 2.21% 1.25% 1.84%
2025/12/09 16.59% 10.11% 7.26% 4.93% 4.82% 5.39% 2.88% 2.68% 1.08% 1.67%
2025/12/10 16.54% 8.26% 6.53% 4.94% 4.13% 4.48% 2.58% 3.05% 1.42% 1.81%
2025/12/11 16.82% 10.51% 6.82% 4.91% 4.02% 4.39% 1.95% 2.44% 1.19% 1.83%
2025/12/12 19.42% 9.71% 7.76% 5.1% 4.94% 4.73% 2.04% 2.6% 0.88% 1.61%
2025/12/13 17.71% 9.58% 4% 6.43% 5.96% 4.38% 2.06% 2.47% 1.41% 1.24%
2025/12/14 25.35% 9.42% 5.3% 3.95% 4.8% 4.48% 2.05% 2.54% 1.04% 1.71%
2025/12/15 19.57% 9.3% 6.39% 4.91% 5.08% 4.2% 1.94% 2.37% 1.19% 1.65%
2025/12/16 14.94% 9.53% 7.37% 5.03% 4.63% 4.91% 2.4% 2.71% 1.01% 1.5%
2025/12/17 22.81% 8.79% 7.64% 4.21% 4.59% 4.35% 2.44% 2.37% 0.99% 1.69%
2025/12/18 15.83% 8.87% 8.46% 5.74% 4.53% 3.67% 1.9% 2.27% 1.83% 1.58%
2025/12/19 21.85% 8.19% 8.89% 5.43% 4.36% 4.31% 1.63% 1.96% 1.47% 1.22%
2025/12/20 19.84% 8.84% 9.53% 5.85% 4.45% 3.54% 1.51% 1.98% 2.02% 1.01%
2025/12/21 16.55% 10.7% 7.94% 6.23% 4.18% 4.39% 1.49% 2.02% 1.87% 1.09%
2025/12/22 12.36% 9.82% 5.74% 5.1% 4.31% 4% 1.68% 1.84% 2.07% 0.97%
2025/12/23 14% 10.43% 8.08% 4.17% 4.94% 3.75% 1.58% 1.79% 1.43% 0.79%
2025/12/24 16.69% 9.17% 8.27% 5.02% 5.17% 3.63% 1.95% 1.62% 2.04% 1.07%
2025/12/25 22.77% 7.76% 8.35% 4.4% 4.19% 3.1% 1.86% 2.02% 1.65% 0.92%
2025/12/26 20.14% 9.17% 7.11% 5.6% 5.8% 4.41% 1.45% 1.51% 1.93% 1.47%
2025/12/27 16.39% 10.2% 7.09% 5.75% 5.59% 3.98% 1.61% 2.14% 1.91% 1.52%
2025/12/28 11.85% 10.1% 8.77% 6.34% 6.58% 4.75% 2.42% 2.23% 1.94% 1.46%
2025/12/29 19.72% 9.29% 8.7% 4.83% 5.7% 4.56% 1.92% 2.08% 1.26% 1.07%
2025/12/30 13.63% 11.44% 8.41% 5.58% 4.55% 4.55% 1.9% 2.33% 1.36% 0.94%
2025/12/31 21.55% 10.44% 7.18% 4.19% 3.59% 2.88% 2.18% 1.59% 1.5% 0.63%
  • autozone.com
  • advanceautoparts.com
  • napaonline.com
  • bumper.com
  • partsgeek.com
  • carparts.com
  • vinseeker.com
  • peddle.com
  • harborfreight.com
  • kbb.com

Copyright © Adthena. All rights reserved.

AutoZone’s PPC spend peaked mid-month at 25.35%, while Advance Auto Parts maintained a steady presence. NapaOnline saw a gradual increase, finishing strong. December closed with AutoZone leading.

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
2025/12/01 1738
2025/12/02 1794
2025/12/03 2258
2025/12/04 2018
2025/12/05 2076
2025/12/06 1943
2025/12/07 1841
2025/12/08 1788
2025/12/09 1797
2025/12/10 1876
2025/12/11 1892
2025/12/12 1864
2025/12/13 1770
2025/12/14 1739
2025/12/15 1760
2025/12/16 1898
2025/12/17 1623
2025/12/18 2021
2025/12/19 2016
2025/12/20 1928
2025/12/21 1962
2025/12/22 2433
2025/12/23 2350
2025/12/24 2329
2025/12/25 2203
2025/12/26 2021
2025/12/27 2046
2025/12/28 1997
2025/12/29 2013
2025/12/30 2020
2025/12/31 2065

Copyright © Adthena. All rights reserved.

December saw a dynamic shift in advertisers, peaking at 2,433 on the 22nd. The month concluded with 2,065 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
napaonline.com 2.47%
oreillyauto.com 0.6%
advanceautoparts.com 0.59%
harborfreight.com 0.55%
vinclarity.com 0.25%
carparts.com -0.21%
goodcar.com -0.22%
partsgeek.com -0.26%
kbb.com -0.53%
autozone.com -4.67%

Copyright © Adthena. All rights reserved.

Napaonline.com surged with a 2.47% click share increase, while autozone.com faced a significant 4.67% decline.

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 oreillyauto.com carparts.com bumper.com vinseeker.com cargurus.com
2025/12/01 13.4% 10.19% 8.43% 5.69% 3.33% 1.22% 5.7% 3.88% 1.46% 1%
2025/12/02 13.72% 10.8% 7.72% 5.08% 4.27% 1.37% 4.95% 3.58% 1.37% 1.52%
2025/12/03 9.57% 10.57% 5.51% 6.91% 4.14% 1.66% 3.11% 2.6% 1.07% 1.81%
2025/12/04 16.27% 7.13% 6.19% 5.77% 4.16% 2.08% 4.92% 2.85% 0.99% 1.75%
2025/12/05 20.92% 8.95% 6.54% 5.62% 3.94% 1.2% 4.18% 2.69% 1.08% 1.64%
2025/12/06 21.45% 10.97% 7.43% 7.12% 3.31% 1.29% 3.66% 2.85% 0.75% 1.39%
2025/12/07 19.65% 9.78% 8.63% 7.25% 3.74% 0.65% 5.14% 3.68% 1% 1.09%
2025/12/08 23.72% 9.34% 10% 5.06% 2.63% 0.24% 4.3% 3.31% 1.26% 1.17%
2025/12/09 18.78% 12.14% 9.7% 5.57% 2.27% 0.29% 5.39% 3.24% 1.7% 1.2%
2025/12/10 17.6% 9.82% 9.06% 5.1% 3.11% 0.7% 4.72% 3.13% 1.51% 1.44%
2025/12/11 17.63% 11.88% 9.44% 4.74% 2.58% 0.57% 4.8% 3.14% 1.11% 1.13%
2025/12/12 18.78% 12.01% 9.59% 5.68% 2.18% 0.95% 5.18% 3.44% 1.36% 1.12%
2025/12/13 19.82% 10.93% 6.08% 6.73% 2.97% 1.83% 4.67% 4.23% 1.1% 1.49%
2025/12/14 25.93% 10.96% 7.71% 5.63% 2.56% 0.37% 4.46% 2.73% 1.12% 1.29%
2025/12/15 19.57% 10.17% 8.59% 5.96% 2.83% 2% 4.36% 3.15% 1.06% 1.29%
2025/12/16 15.18% 11.75% 9.4% 5.53% 2.28% 0.93% 5.12% 3.32% 1.37% 1.37%
2025/12/17 22.36% 11.76% 9.57% 5.31% 2.29% 1.15% 4.27% 2.8% 1.39% 1.07%
2025/12/18 15.84% 10.67% 10.52% 4.95% 4.19% 1.83% 3.83% 3.53% 1.08% 1.08%
2025/12/19 20.67% 10.27% 10.84% 4.62% 3.45% 1.52% 4.22% 3.43% 0.96% 1.01%
2025/12/20 19% 10.93% 11.02% 5.01% 4.67% 1.34% 3.46% 3.57% 0.78% 1.32%
2025/12/21 16.97% 12.17% 9.82% 4.69% 4.1% 2% 4.09% 3.65% 0.72% 0.94%
2025/12/22 13.85% 11.47% 6.63% 4.16% 4.22% 1.49% 3.6% 2.85% 0.8% 0.99%
2025/12/23 14.26% 11.72% 9.26% 5.04% 3.03% 2.02% 3.36% 2.49% 0.78% 0.91%
2025/12/24 17.55% 10.62% 8.78% 5.54% 4.14% 2.05% 3.6% 2.89% 1.02% 0.76%
2025/12/25 22.46% 9.14% 10.12% 4.35% 3.85% 3.17% 2.84% 2.58% 0.94% 0.98%
2025/12/26 20.61% 11.59% 9.61% 5.9% 4.06% 2.84% 4.64% 3.48% 0.83% 0.69%
2025/12/27 17.21% 12.45% 8.99% 5.64% 4.49% 2.17% 4% 3.57% 0.88% 1.25%
2025/12/28 13.37% 11.98% 10.41% 6.41% 4.37% 1.22% 4.7% 3.9% 1.38% 1.11%
2025/12/29 19.83% 12.2% 10.04% 6.14% 3.01% 2.49% 4.68% 3.18% 1.15% 0.76%
2025/12/30 16.46% 13.55% 9.6% 4.79% 3.24% 1.54% 4.3% 3.3% 1% 0.97%
2025/12/31 20.9% 12.05% 7.83% 4.29% 3.37% 3.35% 2.75% 2.55% 1.28% 0.93%
  • autozone.com
  • advanceautoparts.com
  • napaonline.com
  • partsgeek.com
  • harborfreight.com
  • oreillyauto.com
  • carparts.com
  • bumper.com
  • vinseeker.com
  • cargurus.com

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AutoZone’s impression share fluctuated, peaking at 25.93% on December 14. Advance Auto Parts maintained a steady presence, ending at 12.05%. NapaOnline saw a rise mid-month, closing at 7.83%. PartsGeek’s share dipped, finishing at 4.29%.

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 — Find the Brands You Want, Service You Trust and Quality You Expect at Even Better Prices!

  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 store or shop AutoZone.com for the quality parts & accessories you need. Find the Right Parts.

  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
    Absolutely Free VIN Checks - No Cost Car History https://www.vinseeker.com

    Dive into your vehicle's past with our free report. Transparency at no cost to you. Unlock your car's history with our VIN check. It's fast, free, and fully detailed. View Features. 24/7 Assistance Available.

Copyright © Adthena. All rights reserved.

Advance Auto Parts, AutoZone, CarParts.com, NAPA, and VinSeeker dominate Google’s PPC with compelling offers. Themes of convenience, affordability, and transparency shine through. From in-store pickups to free VIN checks, these ads promise quality, trust, and accessibility.

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