Top 3 GMC Repair Shops in Metuchen

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

#1

A&T Tyres and Auto Repair

4.8
(287 reviews)
Verified

A&T is a highly reputable, family-owned auto repair shop known for its expert diagnostics and honest service. While not a dedicated GMC dealer, they have specific expertise with American trucks and SUVs. Their technicians are ASE Certified, and they have built a strong reputation for handling complex issues on Duramax diesel engines and Allison transmissions that other independent shops may turn away. They are a top choice for owners who want dealer-level expertise without the dealer price.

2565 State Rte 27, Somerset, NJ 08873

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Metuchen Service Center

4.6
(174 reviews)
Verified

As a local staple within Metuchen itself, this service center has deep community roots. They provide comprehensive general and advanced automotive repair. They are well-regarded for their work on GM vehicles, including diagnostics for EcoTec engines and general towing system maintenance. They are an excellent local option for routine and semi-specialized service on GMC trucks and SUVs.

7 Middlesex Ave, Metuchen, NJ 08840

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
General GMC service

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Diesel Performance Pros

4.7
(211 reviews)
Verified

This is a dedicated diesel and performance specialist located a short drive from Metuchen. They are the unequivocal experts for serious Duramax owners, offering services from routine maintenance to performance tuning and complex repair. Their focus is exclusively on diesel powertrains, making them the premier choice for heavy-duty GMC owners (Sierra 2500HD/3500HD) who use their trucks for serious towing and hauling.

1007 St. George Ave, Avenel, NJ 07001

Specialties & Features

Duramax diesel performance
Heavy-duty towing systems
Advanced 4WD diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in the Metuchen area is characterized by strong competition between local, high-quality independent shops and the regional dealership network. Metuchen itself hosts a few long-standing general repair shops (like Metuchen Service Center) that are trusted for general maintenance and common issues. However, for the highly specialized services—particularly Duramax diesel and Allison transmission work—the most reputable specialists are located in the surrounding industrial areas of Edison, Avenel, and Somerset. These providers have carved out a niche by investing in specialized training and equipment. The average quality is high, as the market demands expertise for the complex systems in modern GMC trucks. Pricing is typically 20-35% lower than at the local GMC dealerships, which is a primary driver for owners to seek out these specialists. For Denali-specific luxury and electronic features, the dealership often remains the go-to for warranty and programming work, but the independent specialists are fully capable of handling the underlying mechanical and drivetrain components shared across trims.

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 Metuchen regulations and climate