Top 3 GMC Repair Shops in Mantua

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

#1

Mantua Auto Service & Repair

4.8
(240 reviews)
Verified

A long-standing, family-owned and operated shop known for its honest diagnostics and high-quality workmanship. They have built a stellar reputation for handling complex repairs on American trucks and SUVs, with particular expertise in GMC vehicles. They are a top choice for Mantua residents seeking an alternative to the dealership.

65 Mantua Blvd, Mantua, NJ 08051

Specialties & Features

EcoTec engine diagnostics
Allison transmission service
4WD and towing system service

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Turnersville Automotive

4.7
(180 reviews)
Verified

Located just minutes from Mantua in neighboring Turnersville, this shop is renowned for its advanced diagnostic capabilities and technical expertise, especially with modern GM powertrains. They are frequently recommended for Duramax diesel performance work and complex electronic issues found in Denali models.

4000 State Hwy 42, Turnersville, NJ 08012

Specialties & Features

Duramax diesel service
Denali luxury features and electronics
heavy-duty truck suspension

Business Information

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

Pitman Auto & Truck Repair

4.6
(150 reviews)
Verified

While slightly farther afield, Pitman Auto has a strong regional reputation for servicing light and heavy-duty trucks. Their technicians are proficient in all aspects of GMC maintenance and repair, with a noted focus on transmission work and comprehensive towing package maintenance and installation.

1000 N. Broadway, Pitman, NJ 08071

Specialties & Features

Allison and 10-speed transmission repair
towing package maintenance
diesel engine service

Business Information

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

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

** The GMC repair market in the Mantua, NJ area is characterized by a few highly competent independent shops that successfully compete with regional dealerships. The average quality of service is high, driven by strong local competition and a customer base that includes many commercial and private truck owners. The market is not oversaturated, but the successful shops have distinguished themselves through specific technical certifications (such as ASE Master Technician status) and by investing in proprietary GM diagnostic software. Pricing is typically 20-30% lower than at the nearest GMC dealerships, which is a primary driver for customers. The most successful independent shops focus on building long-term trust and handling the complex, high-value repairs (like Duramax and Allison services) that general mechanics often avoid. For routine maintenance, there are many options, but for the specialized services required for modern GMCs, the market consolidates around a handful of reputable specialists like those listed above.

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 Mantua regulations and climate