The Best GMC Repair in Flemington, NJ

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

#1

Flemington GMC Service Center

4.6
(280 reviews)
Verified

As the official dealership, this is the premier destination for GMC owners. They feature factory-trained technicians, direct access to OEM parts, and the latest diagnostic software. Their service department is best equipped to handle complex electronics, warranty work, and recalls, especially on Denali models and new vehicles.

232 US-202, Flemington, NJ 08822

Specialties & Features

Denali electronics
features
Allison transmission repair
EcoTec engine diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

A1 Auto & Truck Repair

4.7
(190 reviews)
Verified

A highly reputable independent shop known for its expertise in diesel engines and heavy-duty trucks. Reviews consistently praise their honesty, depth of knowledge on Duramax engines, and ability to handle complex transmission and 4WD issues at a lower cost than the dealership. They are a top choice for owners of HD Sierras and Yukon XLs.

214 4th St, Flemington, NJ 08822

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
4WD and towing system service

Business Information

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

Hunterdon Auto & Body Center

4.4
(120 reviews)
Verified

A full-service shop with a strong reputation for comprehensive diagnostics and general repair. While they service all makes, they have several ASE-certified technicians with significant experience on GM vehicles. They are a reliable option for routine maintenance, towing package service, and suspension work on GMC trucks and SUVs.

1495 US-31, Flemington, NJ 08822

Specialties & Features

Towing package maintenance
General GMC service and repair
Suspension work

Business Information

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

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

** The GMC repair market in Flemington is characterized by a clear hierarchy. The **Flemington GMC Service Center (dealership)** dominates the high-end, brand-specific service segment, particularly for newer models, complex electronics, and warranty work. Their pricing is premium, reflecting OEM parts and dealer labor rates. The independent shop market is competitive and features a few standout providers like **A1 Auto & Truck Repair**, which has successfully carved a niche as the go-to expert for diesel and heavy-duty systems, offering a compelling value proposition. General auto repair shops are abundant, but only a handful, like **Hunterdon Auto & Body Center**, demonstrate consistent, high-quality work on GMC vehicles. Typical pricing follows this structure: Dealerships command the highest rates ($150-$180/hr), specialized independents are mid-range ($120-$150/hr), and general shops are more affordable ($100-$130/hr). For GMC owners, the choice often comes down to the specific repair needed: the dealership for warranty/electronics, a specialist like A1 for powertrain, and a trusted generalist for routine maintenance.

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 Flemington regulations and climate