US Automotive Auto Parts - PPC Market Share Analysis May 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.

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.

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Share of Clicks - Last month
Domain	Share of clicks
autozone.com	29.36
advanceautoparts.com	21.87
napaonline.com	3.99
partsgeek.com	3.92
harborfreight.com	2.81
summitracing.com	2.81
carparts.com	2.42
amsoil.com	1.75
bumper.com	1.4
etrailer.com	1.16
others	28.51

AutoZone leads with 29.36% click share, followed by Advance Auto Parts at 21.87%. Others collectively hold 28.51%, 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.

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Share of Spend - Last Month
Date	advanceautoparts.com	autozone.com	carparts.com	partsgeek.com	bumper.com	harborfreight.com	peddle.com	napaonline.com	etrailer.com	amsoil.com
2025/05/01	12.06%	26.03%	3.98%	4.22%	2.21%	2.76%	1.57%	0.73%	1.62%	0.76%
2025/05/02	24.15%	19.89%	4.07%	3.74%	1.86%	2.19%	1.44%	0.34%	1.34%	1.19%
2025/05/03	24.78%	21.04%	4.72%	4.12%	1.61%	2%	1.2%	0.16%	1.5%	0.98%
2025/05/04	30.01%	19.21%	3.89%	3.25%	1.98%	2.14%	1.2%	0.28%	1.28%	0.69%
2025/05/05	32.31%	17.69%	3.78%	3.44%	1.61%	1.83%	1.65%	0.23%	1.29%	0.82%
2025/05/06	27.31%	18.81%	3.4%	3.54%	2.04%	2%	1.6%	0.49%	1.32%	1.26%
2025/05/07	21.56%	19.63%	3.97%	4.34%	1.98%	2.36%	1.42%	1.14%	1.37%	1.43%
2025/05/08	18.04%	20.54%	3.89%	4.1%	2.33%	2.34%	1.7%	2.22%	1.31%	1.23%
2025/05/09	22.87%	22.83%	3.53%	2.95%	2.09%	2.2%	1.51%	0.77%	1.12%	1.85%
2025/05/10	23.42%	18.68%	3.35%	3.77%	1.91%	2.48%	1.67%	0.93%	1.44%	1.35%
2025/05/11	26.69%	13.03%	3.59%	4.1%	2.1%	2.56%	1.26%	1.84%	1.44%	1.28%
2025/05/12	18.18%	17.32%	4.39%	3.66%	2.56%	2.13%	1.4%	1.35%	1.57%	1.62%
2025/05/13	24.44%	17.42%	4.61%	3.34%	3.24%	2.01%	1.37%	0.85%	1.28%	1.16%
2025/05/14	20.63%	19.78%	4.01%	3.7%	3.31%	2.06%	1.38%	2.38%	1.16%	1.04%
2025/05/15	24.65%	19.74%	3.08%	3.3%	1.79%	1.94%	1.38%	2.48%	1.14%	0.95%
2025/05/16	33.28%	17.04%	3.2%	2.51%	1.41%	2.01%	1.21%	1.63%	0.91%	0.98%
2025/05/17	33.43%	17.1%	3.14%	2.99%	1.9%	1.76%	1.17%	1.16%	0.91%	1.27%
2025/05/18	16.14%	22.33%	4.4%	4.22%	2.34%	2.52%	1.67%	0.69%	1.4%	1.68%
2025/05/19	14.36%	21.73%	4.84%	5.07%	2.36%	2.34%	1.53%	1.48%	1.22%	0.96%
2025/05/20	16.43%	21.63%	3.85%	3.96%	2.11%	2.51%	1.43%	1.18%	1.5%	1.32%
2025/05/21	17.21%	22.25%	4.26%	3.96%	2.08%	2.92%	1.35%	1.11%	1.32%	1.36%
2025/05/22	29.17%	14.36%	3.06%	3.06%	1.54%	3.84%	1.19%	1.48%	1.24%	1.04%
2025/05/23	24.57%	21.62%	3.3%	2.96%	1.54%	3.23%	1.22%	2.59%	0.99%	1.29%
2025/05/24	26.36%	22%	4.06%	3.05%	1.52%	3.06%	1.01%	1.9%	1.1%	1.43%
2025/05/25	26.27%	18.77%	3.8%	3.74%	1.5%	3.19%	0.85%	2.63%	1.18%	0.78%
2025/05/26	28.58%	19.4%	3.56%	3.29%	1.51%	2.74%	0.93%	1.56%	1.36%	1.7%
2025/05/27	27.28%	19.71%	5.22%	4.37%	2.11%	2.38%	1.24%	1.43%	1.4%	1.19%
2025/05/28	14.29%	17.97%	5.79%	4.19%	2.54%	3.55%	1.44%	2.93%	1.36%	1.84%
2025/05/29	16.94%	12.56%	4.89%	3.4%	3.2%	3.23%	1.39%	2.39%	1.54%	1.98%
2025/05/30	22.11%	15.43%	4.04%	3.26%	2.37%	3.19%	1.96%	1.67%	1.51%	1.99%
2025/05/31	23.18%	11.08%	5.17%	4.16%	3.46%	3.02%	1.79%	1.77%	1.7%	1.66%

Advanceautoparts.com led May with fluctuating spend, peaking mid-month. Autozone.com saw a steady decline, while carparts.com and partsgeek.com maintained low but stable shares. Bumper.com and harborfreight.com showed minor increases.

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.

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Competitor Count - Last month
Date	Competitor Count
2025/05/01	2246
2025/05/02	2399
2025/05/03	2402
2025/05/04	2433
2025/05/05	2428
2025/05/06	2472
2025/05/07	2693
2025/05/08	2595
2025/05/09	2531
2025/05/10	2512
2025/05/11	2654
2025/05/12	2624
2025/05/13	2677
2025/05/14	2642
2025/05/15	2603
2025/05/16	2585
2025/05/17	2603
2025/05/18	2532
2025/05/19	2656
2025/05/20	2530
2025/05/21	2534
2025/05/22	2654
2025/05/23	2433
2025/05/24	2435
2025/05/25	2471
2025/05/26	2528
2025/05/27	2439
2025/05/28	2377
2025/05/29	2312
2025/05/30	2213
2025/05/31	2218

In May 2025, distinct advertisers peaked at 2,693 on May 7, then gradually declined, ending at 2,218.

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.

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Market Loss & Market Gains - Last month
Name	Market Trend
napaonline.com	0.94%
harborfreight.com	0.88%
amsoil.com	0.3%
batteriesplus.com	0.25%
ford.com	0.19%
vinseeker.com	-0.1%
autotrader.com	-0.14%
oreillyauto.com	-0.15%
partsgeek.com	-0.63%
advanceautoparts.com	-3.44%

Napaonline.com and harborfreight.com surged in click share, while advanceautoparts.com faced a significant 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.

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Date	autozone.com	advanceautoparts.com	harborfreight.com	carparts.com	partsgeek.com	etrailer.com	napaonline.com	bumper.com	batteriesplus.com	summitracing.com
2025/05/01	15.96%	10.87%	6.01%	2.85%	4.86%	2.85%	0.68%	1.59%	2.51%	1.16%
2025/05/02	16.93%	12.34%	5.56%	2.89%	3.59%	2.84%	0.41%	1.58%	1.8%	1.56%
2025/05/03	17.75%	12.84%	5.08%	3.58%	4.5%	3.02%	0.46%	1.32%	1.75%	1.57%
2025/05/04	17.85%	14.21%	5.41%	3.16%	3.55%	2.76%	0.68%	1.73%	1.28%	1.72%
2025/05/05	16.42%	15.56%	5.02%	3.07%	4.52%	2.85%	0.66%	1.47%	1.41%	1.43%
2025/05/06	17.28%	13.63%	5.11%	3.18%	4.99%	2.68%	0.9%	1.79%	0.99%	0.97%
2025/05/07	16.76%	10.26%	5.53%	3.14%	5.24%	2.73%	2.18%	1.63%	1.05%	1.36%
2025/05/08	17.09%	9.11%	5.89%	2.64%	4.33%	2.75%	3.63%	1.86%	0.75%	1.17%
2025/05/09	19.58%	11.73%	5.53%	2.89%	3.62%	2.36%	1.79%	1.85%	1.02%	1.39%
2025/05/10	16.82%	12.68%	5.98%	2.68%	4.37%	2.82%	1.76%	1.61%	1.26%	2.19%
2025/05/11	11%	13%	6%	2.99%	4.16%	2.9%	3.21%	1.78%	1.48%	1.16%
2025/05/12	14.27%	9.48%	5.01%	3.54%	3.98%	2.99%	2.19%	2.02%	1.48%	1.23%
2025/05/13	15.29%	11.43%	5.13%	3.76%	4.01%	2.66%	1.79%	2.86%	1.46%	1.15%
2025/05/14	17.66%	10.18%	4.95%	3.08%	3.74%	2.18%	4.32%	2.77%	1%	1.43%
2025/05/15	16.99%	11.66%	4.99%	2.39%	3.74%	2.22%	4.41%	1.59%	0.99%	0.93%
2025/05/16	15.57%	15.94%	5.5%	2.87%	3.35%	1.94%	2.96%	1.31%	1.24%	2.15%
2025/05/17	16.4%	16.22%	5.01%	2.7%	3.51%	1.9%	2.42%	1.77%	1.45%	1.28%
2025/05/18	17.63%	8.09%	5.87%	3.47%	4.15%	2.64%	1.48%	1.94%	1.76%	1.56%
2025/05/19	16.55%	7.66%	5.46%	3.77%	4.97%	2.36%	2.66%	1.93%	1.67%	1.52%
2025/05/20	15.83%	8.73%	6.16%	2.78%	3.76%	2.77%	2.34%	1.77%	2.26%	1.37%
2025/05/21	17.09%	8.84%	6.96%	2.8%	3.71%	2.46%	1.65%	1.67%	2.3%	1.56%
2025/05/22	14.07%	13.31%	8.58%	2.23%	3.42%	2.37%	2.69%	1.24%	1.85%	1.16%
2025/05/23	17.19%	13.41%	7.9%	2.59%	3.12%	2%	3.94%	1.32%	1.67%	1.13%
2025/05/24	17.12%	13.06%	7.42%	2.98%	3.33%	2.18%	3.44%	1.27%	1.77%	1.21%
2025/05/25	15.96%	12.98%	7.32%	2.41%	3.78%	2.27%	4.15%	1.21%	1.85%	1.41%
2025/05/26	14.51%	13.7%	6.89%	3.02%	3.81%	2.86%	2.61%	1.4%	2.03%	1.79%
2025/05/27	16.36%	14.45%	6.34%	3.7%	4.39%	2.86%	2.38%	1.82%	1.41%	1.32%
2025/05/28	14.85%	7.75%	7.92%	4.01%	3.75%	2.4%	4.16%	2.03%	0.9%	1.16%
2025/05/29	11.22%	8.3%	7.37%	3.36%	2.89%	2.85%	3.34%	2.49%	1.11%	1.07%
2025/05/30	12.97%	10.87%	7.78%	2.86%	3.79%	2.81%	2.52%	2.01%	0.96%	1.47%
2025/05/31	11.2%	10.72%	6.84%	3.81%	3.71%	3.25%	3.15%	3.01%	1.3%	1.22%

Autozone.com led May with fluctuating impressions, peaking mid-month. Advanceautoparts.com saw a mid-month dip, then recovered. Harborfreight.com steadily climbed, while carparts.com and partsgeek.com showed minor fluctuations. Napaonline.com surged mid-month, ending strong. Bumper.com and batteriesplus.com had modest gains, while summitracing.com remained stable.

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.

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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
AutoZone Official Site https://www.autozone.com
Get In The Zone: AutoZone — 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 ...
3
Auto Parts by CarParts.com https://www.carparts.com
Quality Parts, Priced Right — 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
NAPA Auto Parts Online https://www.napaonline.com
Shop NAPA® Online — Shop Quality Car Parts & More at NAPA. Reserve Online And Pick Up In Store Today. Looking For Quality Car Parts? Shop Now, Reserve Online & Pick Up In Store Today.
5
Auto Parts at RockAuto https://www.rockauto.com
Shop Now at RockAuto — Your Choice of Quality. Reliably Low Price. Full Manufacturer Warranty. Fast Online Catalog. Professional-Mechanic Accurate. DIY-Easy.

Advance Auto Parts, AutoZone, CarParts.com, NAPA, and RockAuto dominate Google’s PPC with compelling themes. They emphasize convenience, quality, and affordability. From in-store pickups to vast online catalogs, each ad highlights unique selling propositions, ensuring customers find trusted brands and reliable service.

Frequently Asked Questions

Why is the US Automotive Auto Parts May 2025 Report useful and how should I use it?

Why is the US Automotive Auto Parts May 2025 Report useful?

Imagine being able to instantly see your competitors Market Share, Share of Spend and their top performing ad copy so you can effectively benchmark your own performance.

Adthena’s PPC Market Share reports provide an instant view of performance insights across hundreds of sub-industries – so you can do just that.

How to use the US Automotive Auto Parts May 2025 Report
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How often is the data updated?

Data within the US Automotive Auto Parts May 2025 Report is aggregated every month, highlighting the most significant changes from the previous period.
How does Adthena collect this data?

We use observed data from Google’s search results pages. With 20 million Google SERPs indexed per day. Adthena forms a global index of publicly available searches on Google.

On top of observed data, our data science models and patented technology expand on the insights through estimated metrics like market share, share of spend, and more.

We have 12 years of historical data across industries and our custom-built AI models learn from continuously updated data every day.
How accurate is the US Automotive Auto Parts May 2025 Report?

The US Automotive Auto Parts May 2025 Report is powered by Adthena’s Whole Market View, which is the patented technology that drives value for our 300 enterprise customers.

Our unique approach to search intelligence ingests Google’s Keyword Planner into its learning models, providing a more accurate and up-to-date view of keyword data compared to traditional panel data methods.

With daily data collection and updates, Adthena offers a closer-to-real-time view of the Google Ads auction, enabling timely insights and adjustments.

Adthena focuses specifically on Google Ads, providing a deep dive into the channel and offering detailed insights into its workings. By processing 10 TB of new data daily and employing AI and machine learning models to analyze millions of Google Ads searches per second, Adthena provides a comprehensive and in-depth view of the competitive landscape.

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Does this include mobile, desktop and Google Shopping data?

Yes. The US Automotive Auto Parts May 2025 Report aggregates data from across both device types and Google Shopping.
Who is this US Automotive Auto Parts May 2025 Report for?

The US Automotive Auto Parts May 2025 Report is for enterprise brands and agencies who want quick and high-level, historical benchmarks that are easily digestible and reveal insights, trends and market winners relevant to their own industry.
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Mazda are the world’s largest independent car manufacturer which allows them to be reactive and adaptive in the ever changing automotive industry.

They came to Adthena to help monitor a new program for their national dealer network in order to drive efficiencies and protect their brand message in paid search.Read case study

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Starting in 2019, every all-new model that Volvo introduces will be either a fully electric vehicle or a hybrid. That’s an ambitious commitment. With many manufacturers seeking to be the most innovative brand in the industry, Volvo needed to stand out in the highly competitive hybrid car space.Read case study

Volkswagen achieves a 13% increase in brand conversions

When Volkswagen sought to expand its search coverage by shifting budget from brand to generic terms, they unknowingly risked losing valuable lower-funnel customers.

A sudden drop in market share triggered an immediate response using Adthena's market intelligence.Read case study

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The data on this page is just a sample of the billions of data points we hold at Adthena. The insights generated by Ask Arlo, leverage real-time GenAI to answer questions about your search data.

Our search consultants can introduce you to Whole Market View data that is specific to your organization, based on the size of the relevant search term and competitor universe, and the locations that you need monitoring.

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Share of Clicks for top 10 US Automotive Auto Parts brands

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

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Market Loss & Market Gains for US Automotive Auto Parts

US Automotive Auto Parts Share of Impressions

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

Frequently Asked Questions

Why is the US Automotive Auto Parts May 2025 Report useful and how should I use it?

Why is the US Automotive Auto Parts May 2025 Report useful?

How often is the data updated?

How does Adthena collect this data?

How accurate is the US Automotive Auto Parts May 2025 Report?

Does this include mobile, desktop and Google Shopping data?

Who is this US Automotive Auto Parts May 2025 Report for?

Can I get a custom report for my brand?

What is Ask Arlo?

Customer Success Stories

Mazda drives 31% dealer efficiency with Adthena

Innovating in the hybrid cars market with competitive intelligence

Volkswagen achieves a 13% increase in brand conversions

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