The Best GMC Repair in Lawrenceville, NY

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

#1

C & S Automotive

4.7
(180 reviews)
Verified

A highly reputable, family-owned auto repair shop known for its expert diagnostics and honest service. They have a strong local presence and are frequently recommended for complex repairs on domestic trucks and SUVs, including GMC models. Their technicians have extensive experience with diesel and powertrain systems.

23 State Hwy 37, Massena, NY 13662

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing system service

Business Information

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

Simmons Rockwell Auto Group (GMC Dealer Service Department)

4.3
(150 reviews)
Verified

As the local, factory-authorized GMC dealership, this service department is the premier choice for warranty work, complex electronics, and brand-specific technical expertise. Their technicians are GM-certified and have direct access to the latest diagnostic tools, service bulletins, and OEM parts, making them ideal for Denali models and EcoTec engines.

7579 State Highway 56, Potsdam, NY 13676

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
GMC towing package maintenance

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

J & M Auto & Truck Repair

4.5
(90 reviews)
Verified

Specializing in both light and heavy-duty truck repair, J & M is a go-to for suspension work, brake service, and mechanical repairs on work trucks. They are known for their durability-focused service and expertise in maintaining vehicles used for towing and hauling, making them a strong choice for GMC Sierra HD models.

26 E Hatfield St, Massena, NY 13662

Specialties & Features

Heavy-duty truck suspension
Diesel engine service
General mechanical repair and diagnostics

Business Information

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

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

** The GMC repair market serving Lawrenceville, NY is characterized by a reliance on a few high-quality, established providers in the surrounding towns. Due to the rural nature of St. Lawrence County, residents are accustomed to traveling short distances (10-20 miles) to Massena or Potsdam for specialized automotive service. The competition is not saturated, but the existing shops have earned strong reputations for reliability and expertise over many years, creating a market where quality and trust are valued over price alone. The average quality of service is high, with several shops boasting GM/ASE certifications and specific tooling for modern GMC systems, particularly for diesel and transmission work. Typical pricing is in line with regional averages, with dealership labor rates being higher but offering OEM guarantees, while independent shops provide competitive rates and often more personalized service. For the specific specialties requested, the market is well-served, with clear delineation between the high-tech dealer services (Simmons Rockwell) and the robust, mechanical expertise of the top independents (C & S Automotive, J & M Auto).

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 Lawrenceville regulations and climate