US Automotive Auto Parts - PPC Market Share Analysis April 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	31.09
advanceautoparts.com	18.94
napaonline.com	4.95
partsgeek.com	3.85
harborfreight.com	3.56
summitracing.com	2.88
carparts.com	2.18
amsoil.com	1.41
kbb.com	1.1
bumper.com	1.07
others	28.97

AutoZone leads with 31.09% click share, followed by Advance Auto Parts at 18.94%. Others collectively hold 28.97%, highlighting 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	autozone.com	advanceautoparts.com	partsgeek.com	carparts.com	harborfreight.com	napaonline.com	etrailer.com	peddle.com	bumper.com	summitracing.com
2025/04/01	27.38%	12.61%	2.02%	2.81%	4.26%	0.49%	1.3%	1.34%	1.46%	1.42%
2025/04/02	25.28%	15.69%	1.61%	2.32%	4.87%	1.6%	1.47%	1.06%	1.15%	1.13%
2025/04/03	26.78%	11.09%	2.25%	1.72%	3.88%	1.08%	1.22%	1.64%	2.16%	1.26%
2025/04/04	24.14%	10.47%	2.63%	4.86%	3.57%	2.26%	0.9%	1.54%	2.17%	0.7%
2025/04/05	19.81%	17.62%	2.16%	3.22%	3.89%	1.48%	1.25%	1.02%	2.07%	0.72%
2025/04/06	22.74%	11.43%	2.55%	3.83%	4.33%	1.25%	1.56%	1.14%	2.15%	1.03%
2025/04/07	24.29%	10.71%	2.03%	3.1%	4.43%	2.01%	1.44%	0.88%	1.2%	1.27%
2025/04/08	24.82%	9.26%	2.15%	3.15%	4.01%	2.32%	1.29%	1.49%	2.07%	1.02%
2025/04/09	25.62%	9.67%	2.4%	3.35%	4.08%	3.18%	1.21%	1.04%	1.04%	1.42%
2025/04/10	20.97%	9.85%	2.79%	4.07%	4.47%	3.24%	1.39%	1.62%	1.76%	1.32%
2025/04/11	26.06%	12.84%	2.38%	2.26%	5.02%	3.18%	1.25%	0.67%	0.74%	0.86%
2025/04/12	26.21%	13.01%	2.05%	1.9%	4.56%	3.59%	1.53%	0.97%	1.21%	0.87%
2025/04/13	26.34%	10.96%	2.83%	4.14%	5.04%	1.28%	1.53%	1.25%	1.58%	1.26%
2025/04/14	25.96%	11.24%	2.97%	2.43%	4.35%	1.49%	1.38%	1.09%	1.68%	0.97%
2025/04/15	28.08%	8.74%	3.03%	4.13%	4.06%	2.13%	1.65%	1.26%	1.33%	0.84%
2025/04/16	23.45%	14.68%	3.25%	3.97%	4.05%	3.09%	1.28%	0.84%	1.29%	0.84%
2025/04/17	21.08%	8.76%	2.59%	3.25%	5.22%	4.76%	1.2%	0.12%	1.06%	0.89%
2025/04/18	19.32%	7.5%	3.66%	4.98%	4.95%	3.25%	1.35%	1.37%	2.38%	1.07%
2025/04/19	21.3%	11.13%	3.01%	4.16%	4.39%	2.22%	1.4%	1.46%	3.32%	0.74%
2025/04/20	23.71%	12.78%	3.19%	2.99%	2.81%	1.66%	1.64%	1.68%	2.33%	1.4%
2025/04/21	21.94%	10.57%	2.68%	3.84%	3.89%	1.52%	1.5%	1.62%	1.6%	1.88%
2025/04/22	25.6%	10.57%	3.06%	4.26%	2.78%	2.15%	1.43%	1.78%	1.97%	0.98%
2025/04/23	21.58%	12.23%	3.52%	4.8%	2.8%	2.85%	1.34%	1.79%	2.12%	0.98%
2025/04/24	21.33%	11.67%	3.34%	3.58%	2.67%	2.97%	1.85%	1.55%	2.09%	1.16%
2025/04/25	21.52%	12.97%	3.53%	4.3%	2.78%	1.84%	1.72%	1.49%	2.06%	1.25%
2025/04/26	22.62%	16.24%	3.88%	4.76%	2.19%	2.07%	1.21%	1.77%	2.77%	0.96%
2025/04/27	26.47%	10.11%	3.72%	3.37%	3.01%	1.48%	1.5%	1.98%	2.21%	1.27%
2025/04/28	24.38%	10.75%	4.67%	5.3%	3.24%	2.58%	1.38%	1.83%	1.69%	0.58%
2025/04/29	23.91%	11.99%	4.9%	5.74%	2.76%	2.33%	1.12%	1.72%	1.81%	1.34%
2025/04/30	24%	16.66%	3.77%	3.71%	2.87%	1.7%	1.68%	1.6%	1.41%	0.62%

AutoZone led April’s PPC spend, peaking at 28.08% mid-month. Advance Auto Parts fluctuated, ending at 16.66%. PartsGeek and CarParts saw steady growth, while Harbor Freight’s share dipped. NapaOnline and others maintained lower, stable 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.

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Competitor Count - Last month
Date	Competitor Count
2025/04/01	2347
2025/04/02	2362
2025/04/03	2290
2025/04/04	2426
2025/04/05	2431
2025/04/06	2480
2025/04/07	2497
2025/04/08	2427
2025/04/09	2410
2025/04/10	2511
2025/04/11	2274
2025/04/12	2349
2025/04/13	2394
2025/04/14	2508
2025/04/15	2362
2025/04/16	2462
2025/04/17	2612
2025/04/18	2676
2025/04/19	2680
2025/04/20	2393
2025/04/21	2542
2025/04/22	2502
2025/04/23	2537
2025/04/24	2572
2025/04/25	2405
2025/04/26	2418
2025/04/27	2454
2025/04/28	2460
2025/04/29	2381
2025/04/30	2250

April saw fluctuating advertiser numbers, peaking at 2,680 on April 19, before ending at 2,250.

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
advanceautoparts.com	1.82%
partsgeek.com	1.06%
carparts.com	0.56%
summitracing.com	0.39%
bumper.com	0.3%
tirerack.com	-0.28%
extremeterrain.com	-0.32%
fitmentindustries.com	-0.32%
harborfreight.com	-1.05%
autozone.com	-1.94%

Advance Auto Parts surged with a 1.82% click share increase, while AutoZone dropped by 1.94%. PartsGeek and CarParts also gained, contrasting Harbor Freight’s 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	advanceautoparts.com	autozone.com	harborfreight.com	partsgeek.com	etrailer.com	carparts.com	napaonline.com	grainger.com	extremeterrain.com	oreillyauto.com
2025/04/01	10.28%	19.53%	8.28%	2.02%	2.14%	2.01%	0.56%	2.01%	3.22%	1.7%
2025/04/02	12.92%	18.37%	9.34%	1.7%	2.24%	1.94%	1.58%	2.21%	3.24%	1.35%
2025/04/03	10.45%	19.64%	8.15%	2.36%	2.09%	1.18%	1.54%	0.82%	3%	1.89%
2025/04/04	9.24%	17.47%	7.66%	2.49%	1.62%	3.63%	3.09%	1.23%	2.61%	2.01%
2025/04/05	15.93%	14.98%	7.59%	2.03%	1.98%	2.46%	1.72%	0%	2.27%	1.33%
2025/04/06	10.28%	16.39%	8.46%	2.56%	2.58%	2.41%	1.82%	0%	2.63%	1.96%
2025/04/07	9.7%	16.88%	8.68%	2.03%	2.35%	1.94%	2.85%	1.33%	2.32%	1.01%
2025/04/08	8.84%	16.8%	8.02%	2.75%	2.04%	2.49%	3.45%	2.98%	2.36%	1.19%
2025/04/09	8.81%	17.17%	8.01%	2.33%	1.85%	2.09%	3.99%	2.38%	2.58%	1.28%
2025/04/10	8.8%	16.41%	8.98%	2.82%	2.2%	2.58%	4%	1.72%	1.94%	1.73%
2025/04/11	10.67%	18.09%	9.84%	2.44%	2%	1.34%	4.4%	1.5%	2.45%	0.83%
2025/04/12	12.52%	17.49%	8.82%	2.09%	2.38%	1.14%	3.79%	0%	2.15%	1.06%
2025/04/13	9.68%	18.55%	9.93%	2.38%	2.42%	2.21%	1.89%	0%	2.18%	1.59%
2025/04/14	8.74%	18.34%	8.76%	3.18%	2.16%	1.46%	1.91%	1.95%	2.45%	1.42%
2025/04/15	8.28%	18.53%	8.15%	3.15%	2.62%	2.27%	3.06%	2.08%	2.37%	1.01%
2025/04/16	12.52%	17.37%	7.82%	3.27%	2.09%	2.34%	4.12%	1.68%	1.9%	2.15%
2025/04/17	8.03%	17.37%	8.58%	2.69%	1.65%	1.87%	4.85%	3.09%	2.25%	2.54%
2025/04/18	7.89%	15.68%	8.73%	2.95%	2.08%	3%	3.57%	1.37%	2.03%	1.57%
2025/04/19	10.05%	15.69%	8.36%	3.38%	2.2%	3.04%	2.84%	0%	2.13%	1.4%
2025/04/20	11.21%	16.54%	5.59%	3.78%	2.81%	2.43%	2.49%	0%	2.36%	1.95%
2025/04/21	8.6%	15.73%	7.78%	2.71%	2.51%	2.25%	2.47%	1.53%	1.32%	2.09%
2025/04/22	9.18%	17.73%	6.09%	3.57%	2.57%	2.95%	3.56%	1.79%	1.21%	1.23%
2025/04/23	10.76%	14.77%	5.79%	3.65%	2.17%	3.32%	3.71%	1.71%	1.03%	1.03%
2025/04/24	9.32%	15.48%	5.5%	3.73%	3.11%	2.65%	3.18%	1.92%	1.22%	1.41%
2025/04/25	10.64%	15.39%	5.73%	3.73%	2.78%	2.85%	2.45%	2.11%	1.19%	0.67%
2025/04/26	15.69%	15.22%	4.76%	4.1%	2.09%	3.11%	2.95%	0%	1.35%	1.24%
2025/04/27	9.32%	18.86%	5.96%	3.91%	2.61%	2.56%	1.94%	0%	1.82%	1.06%
2025/04/28	9.4%	16.92%	7.06%	4.48%	2.41%	3.51%	3.44%	1.55%	1.55%	1.02%
2025/04/29	10.7%	16.49%	5.85%	5.28%	1.97%	4.08%	3.5%	1.62%	1.24%	1.73%
2025/04/30	16.09%	15.49%	6.14%	4.59%	2.87%	2.63%	2.26%	1.95%	1.09%	0.65%

April’s PPC landscape saw AutoZone leading with consistent dominance, while Advance Auto Parts experienced fluctuations, peaking at month’s end. Harbor Freight’s share declined, contrasting with PartsGeek’s steady rise. The month concluded with AutoZone maintaining the top position.

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 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. Find Everything You Need To Get Your Vehicle in...
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!
3
Official Kelley Blue Book Site - Find Your Car's Book Value https://www.kbb.com
Kelley Blue Book® Empowering You in the Car Market. From Values To Service & Repair Guide
4
Parts Geek™ https://www.partsgeek.com
Parts Geek Official Site — We Offer OEM, Aftermarket, Refurbished and Rebuilt Auto Parts From Trusted Manufacturers. Parts...
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 and AutoZone emphasize convenience, offering both online and in-store shopping. Kelley Blue Book empowers consumers with car market insights. Parts Geek highlights a wide range of parts, while RockAuto focuses on quality and affordability.

Frequently Asked Questions

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

Why is the US Automotive Auto Parts April 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.

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Data within the US Automotive Auto Parts April 2025 Report is aggregated every month, highlighting the most significant changes from the previous period.
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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.
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The US Automotive Auto Parts April 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.

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

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Share of Clicks for 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 April 2025 Report useful and how should I use it?

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

How often is the data updated?

How does Adthena collect this data?

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

Does this include mobile, desktop and Google Shopping data?

Who is this US Automotive Auto Parts April 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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