The Best GMC Repair in Mercersburg, PA

Compare the highest-rated gmc repair mechanics in Mercersburg, Pennsylvania. All shops are licensed, insured, and verified through our rigorous screening process.

#1

C.V. Auto Service

4.8
(180 reviews)
Verified

A highly reputable, family-owned and operated full-service garage known for its honest diagnostics and expert work on both domestic and import vehicles. They have a strong track record with GM trucks, including complex diesel and transmission work. Their long tenure and exceptional customer loyalty make them the top local choice for Mercersburg residents.

5132 Philadelphia Ave, Mercersburg, PA 17236

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

J & J Diesel & Auto Repair

4.7
(150 reviews)
Verified

Located a short drive from Mercersburg in Chambersburg, J & J is a specialist shop that explicitly focuses on diesel performance and repair, making them an ideal choice for Duramax owners. They are well-regarded for their technical knowledge of modern diesel emissions systems, performance tuning, and transmission servicing.

3159 Philadelphia Ave, Chambersburg, PA 17201

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Scott's Auto Repair & Towing

4.6
(90 reviews)
Verified

While a general auto repair shop, Scott's has built a strong reputation for handling the specific needs of SUVs and trucks common in the region. Their integrated towing service gives them practical, daily experience with vehicle recovery and towing system issues. They are a reliable local option for 4WD service, suspension work, and general GMC maintenance.

4542 Buchanan Trail E, Mercersburg, PA 17236

Specialties & Features

4WD and towing system service
Heavy-duty truck suspension
General GMC maintenance

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Mercersburg

** The GMC repair market serving Mercersburg, PA, is characterized by a few highly trusted local shops supplemented by specialized providers in the larger nearby town of Chambersburg (approx. 15-20 minutes away). Due to the rural and agricultural nature of the region, expertise in truck and SUV repair is common, but true specialization in areas like high-performance Duramax diagnostics or Denali electronics is concentrated in the more specialized shops in Chambersburg. * **Average Quality:** The average quality of service is high, as local businesses survive on reputation and word-of-mouth. Shops like C.V. Auto Service represent the gold standard for general GMC expertise. * **Competition Level:** Competition is moderate. There are a handful of providers, but the ones with specific diesel and transmission expertise (like J & J Diesel) have a distinct competitive advantage and can command a premium. * **Typical Pricing:** Labor rates are generally competitive with national averages but can be lower than in major metropolitan areas. Expect rates in the **$110 - $150 per hour** range. Specialized diesel and transmission work will be at the higher end of this scale. For complex electronic or transmission overhauls, residents often compare quotes between local shops and the dealership in Hagerstown, MD. **Note:** For warranty work or highly complex Denali electronics issues, the nearest GMC dealership is **Crestview GMC**, located at 16131 National Pike, Hagerstown, MD 21740, approximately a 25-minute drive from Mercersburg.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All shops are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Mercersburg regulations and climate