The Best GMC Repair in New London, NH

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

#1

P&H Service Center

4.7
(180 reviews)
Verified

A highly respected, family-owned auto and truck service center known for its technical expertise and honest service. They have a strong reputation for handling complex diagnostics and repairs on domestic trucks, including GMC's heavy-duty and diesel-powered models. Their technicians are ASE Certified, and they invest in modern diagnostic equipment.

454 Main St, New London, NH 03257

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#2

Gerrish Motors

4.5
(150 reviews)
Verified

As a long-standing, multi-brand dealership, Gerrish Motors is the most direct source for factory-trained technicians, genuine GM parts, and proprietary diagnostic software. They are the go-to for warranty work, complex electronics, and luxury features specific to the Denali trim. Their service department is equipped to handle everything from EcoTec engine diagnostics to full towing package installations.

454 Newport Rd, New London, NH 03257

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#3

Sunapee Street Auto

4.8
(90 reviews)
Verified

Located just minutes from New London, this shop has built an exceptional reputation for personalized, high-quality service. While smaller, they excel in mechanical repairs and diagnostics. They are a strong choice for 4WD system service, general transmission work, and ongoing maintenance for vehicles equipped with towing packages. Customers frequently praise their transparency and reliability.

84 Sunapee St, Newport, NH 03773

Specialties & Features

4WD and towing system service
Transmission repair
General GMC maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in New London

** The GMC repair market in New London, NH, is characterized by a small number of high-quality, established providers rather than intense competition. Due to the town's affluent and rural nature, there is a significant population of late-model GMC trucks, SUVs, and Denali-series vehicles, creating demand for expert service. The market is bifurcated: **Gerrish Motors** serves as the authorized dealer for factory-specific needs and complex electronics, while highly capable independent shops like **P&H Service Center** and **Sunapee Street Auto** often provide more personalized service and can be more cost-effective for major mechanical work like diesel and transmission repair. Pricing is typically above the national average, reflecting the high cost of living, the expertise required for these specialized vehicles, and the lack of low-cost chain competitors in the immediate area. Customers generally report high satisfaction, valuing trust and expertise over price-shopping.

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 New London regulations and climate