Top 3 GMC Repair Shops in Augusta

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

#1

Sussex Auto Service & Repair

4.8
(180 reviews)
Verified

A family-owned and operated business with a stellar reputation for handling complex diagnostics and repairs on domestic trucks and SUVs. They are particularly known for their work on GM vehicles, including diesel Duramax engines and Allison transmissions. Their technicians are skilled in both mechanical and electronic systems, making them a top choice for Denali models and modern EcoTec engines.

25 Route 23, Sussex, NJ 07461

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

Hackettstown Auto & Truck Repair

4.7
(220 reviews)
Verified

This shop has built a strong reputation for servicing heavy-duty and light-duty trucks. They have the specialized equipment and training to handle everything from routine towing package maintenance to complex 4WD system repairs and suspension work on GMC Sierras and Sierras. They are a trusted local provider for fleet vehicles and personal trucks alike.

125 Willow Grove St, Hackettstown, NJ 07840

Specialties & Features

Heavy-duty truck suspension
4WD and towing system service
Towing package maintenance

Business Information

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

Newton Automotive & Truck Center

4.6
(150 reviews)
Verified

While a full-service repair center, Newton Automotive has a dedicated truck division that excels with GM products. They offer comprehensive transmission services, including rebuilds for the newer 10-speed models, and are proficient in diagnosing and repairing the advanced electronics found in GMC Denali trims. Their long tenure in the community speaks to their consistent quality and customer trust.

115 Sparta Ave, Newton, NJ 07860

Specialties & Features

Transmission repair (Allison
10-speed)
Denali luxury features and electronics
General GMC diagnostics

Business Information

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

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

** The GMC repair market in the Augusta, NJ area is characterized by a handful of highly competent, independent shops rather than a high volume of options. Due to Augusta's rural and semi-rural setting, there is a strong demand for experts in truck-specific systems like diesel engines, 4WD, and towing. The competition is not dense, but the quality among the top-tier providers is exceptionally high, as evidenced by their longevity and stellar reviews. These shops compete directly with dealerships further away in more urban centers by offering more personalized service, often at a lower labor rate. Typical pricing is competitive for Northern New Jersey, with diagnostic fees ranging from $120-$150 and labor rates between $110-$140 per hour. Customers in this area prioritize technical expertise and trustworthiness over convenience, and the leading shops have built their reputations on fulfilling these values.

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 Augusta regulations and climate