The Best GMC Repair in Williamstown, NJ

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

#1

C & C Auto & Truck Repair

4.8
(180 reviews)
Verified

Widely regarded as the premier GM specialist in the area, C & C Auto & Truck Repair has built a stellar reputation for its technical expertise on GM vehicles, from light-duty pickups to heavy-duty Duramax diesels. They are known for honest diagnostics, high-quality workmanship, and specializing in complex issues that general shops often turn away.

1001 N Black Horse Pike, Williamstown, NJ 08094

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Williamstown Automotive

4.5
(120 reviews)
Verified

A well-established and trusted local full-service shop with a strong track record of servicing American-made trucks and SUVs. They have the diagnostic equipment and technician experience to handle a wide range of GMC services, from EcoTec engine work to transmission service and general towing package maintenance.

1201 S Black Horse Pike, Williamstown, NJ 08094

Specialties & Features

EcoTec engine diagnostics
Transmission repair
Towing package maintenance

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Mighty Muffler & Brake

4.4
(90 reviews)
Verified

While known for exhaust and brake work, this shop has developed a significant niche in truck service, including 4WD systems and suspension work on GMC Sierras and Yukons. They are a solid choice for specific mechanical repairs related to the chassis, drivetrain, and exhaust systems, particularly for trucks used for towing.

204 N Black Horse Pike, Williamstown, NJ 08094

Specialties & Features

4WD and towing system service
Heavy-duty truck suspension
Exhaust and brake repair

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

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

The GMC repair market in Williamstown is characterized by a handful of highly competent independent shops that have filled the niche for specialized service, as the town itself does not host a dedicated GMC dealership. The competition is moderate but of high quality; the leading shops have sustained their businesses for decades through reputation and word-of-mouth. Customers have viable alternatives to dealerships located in surrounding towns like Turnersville or Voorhees. **Average Quality:** The top-tier independent shops provide quality that often meets or exceeds dealership standards, with the significant advantage of more personalized service and typically lower labor rates. **Competition Level:** Moderate. There is a clear top provider (C & C Auto & Truck Repair) for complex diesel and transmission work, with other strong shops handling the broader volume of general GMC maintenance and repair. **Typical Pricing:** Labor rates are generally competitive, ranging from **$110 - $150 per hour** for these specialized shops, which is often 20-30% lower than nearby dealership labor rates. Parts pricing is similar to or slightly below dealership costs. Complex jobs like Allison transmission overhaul or Duramax injector replacement represent the highest cost services, often ranging from $2,500 to $5,000+.

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 Williamstown regulations and climate