Top 3 GMC Repair Shops in Clinton

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

#1

Main Street Garage

4.8
(240 reviews)
Verified

A family-owned and operated staple in Clinton for over 40 years, widely regarded as the leading expert for domestic trucks and SUVs. They are known for their honest diagnostics, high-quality workmanship, and deep understanding of complex systems in modern GMC vehicles, from the 3.0L Duramax to the Denali trim electronics.

20 Main St, Clinton, NJ 08809

Specialties & Features

Duramax diesel service
Allison transmission service
Heavy-duty suspension
towing systems

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Precision Diesel & Auto

4.7
(180 reviews)
Verified

Located just a short drive from Clinton in Annandale, Precision Diesel has built a formidable reputation specifically on diesel engine performance and repair. Their technicians have advanced training on Duramax diagnostics and emissions systems. They are a top-tier choice for owners of GMC Sierra 2500/3500 HD trucks requiring expert-level diesel and transmission work.

4 Ajax Rd, Annandale, NJ 08801

Specialties & Features

Duramax diesel performance
repair
Allison transmission rebuilds
EcoTec3 engine diagnostics

Business Information

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

Flemington GMC (New Dealership Service Department)

4.4
(300 reviews)
Verified

As the authorized GMC dealership for the region, their service department offers unmatched OEM expertise, particularly for complex electronics, warranty work, and factory-recalled components. They are the definitive source for diagnosing and repairing Denali luxury features, advanced towing aids (like ProGrade Trailering), and programming with the latest GM software.

202 US-202, Flemington, NJ 08822

Specialties & Features

Denali electronics
features
Factory towing package maintenance
GMC 10-speed transmission service

Business Information

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

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

** The GMC repair market in the Clinton, NJ area is characterized by high-quality, established service providers rather than a high volume of competitors. The market caters to a clientele that often uses their trucks for towing, farming, and commercial purposes, demanding expertise in heavy-duty systems. The average quality of service is very high, as evidenced by the consistently strong reviews for the top shops. Competition is strong but professional, with each leading provider carving out a specific niche: Main Street Garage as the trusted local generalist for trucks, Precision Diesel as the drivetrain specialist, and Flemington GMC as the OEM authority. Typical pricing reflects this expertise, with labor rates generally ranging from $130-$175 per hour. For complex diesel or transmission work, clients should expect a premium, but the market demonstrates a strong correlation between cost and proven, reputable service.

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 Clinton regulations and climate