Top 3 GMC Repair Shops in Epsom

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

#1

Epsom Truck Service

4.8
(110 reviews)
Verified

A family-owned and operated business with a stellar local reputation for specializing in medium and heavy-duty truck repair. They are the go-to experts in the Epsom area for complex diesel engine work, transmission overhauls, and suspension systems on trucks like the GMC Sierra 2500/3500HD.

1676 Dover Rd, Epsom, NH 03234

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:45 years
Licensed:Yes
Insured:Yes
#2

Pittsfield Auto & Truck

4.7
(180 reviews)
Verified

Located just a short drive from Epsom, this highly-rated shop has built its reputation on honest diagnostics and expert repair of both domestic cars and trucks. They have specific technicians trained in diesel engine diagnostics and transmission service, making them a strong choice for Duramax and Allison systems.

15 Catamount Rd, Pittsfield, NH 03263

Specialties & Features

EcoTec engine diagnostics
Allison transmission repair
General drivetrain and 4WD service

Business Information

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

AutoServ Tilton

4.5
(450 reviews)
Verified

While part of a larger regional group, the Tilton location is the closest, full-service dealership alternative to Epsom. It offers factory-trained GMC technicians, genuine GM parts, and state-of-the-art diagnostic equipment. This is the premier choice for warranty work, complex Denali electronics, and advanced towing system programming.

113 Laconia Rd, Tilton, NH 03276

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
Factory-level GMC diagnostics

Business Information

Years in Business:30 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Epsom, NH, is characterized by a mix of highly skilled, independent specialists and larger dealerships in nearby commercial centers. The average quality is notably high, with several shops boasting multi-decade legacies and deep roots in the community, which is essential for trust in the automotive repair industry. **Competition Level:** Moderate. There are few shops that claim to be "GMC-only" specialists, but several possess the advanced technical skills required, creating a competitive environment based on capability and reputation rather than volume. The independents compete effectively with dealerships on price and personalized service, while the dealerships hold the advantage on proprietary technology and software updates. **Typical Pricing:** Pricing is tiered. Independent specialists like Epsom Truck Service and Pittsfield Auto & Truck typically offer labor rates 15-25% lower than the dealership (AutoServ). However, for highly specialized procedures, especially those requiring proprietary GM software (like SPS programming for transmission control modules or Denali infotainment systems), the dealership's capability often justifies its premium rate. Customers can expect fair but not inexpensive service, reflective of the complex technology in modern GMC trucks.

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 Epsom regulations and climate