The Best GMC Repair in Prospect, NY

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

#1

Pulaski General Motors

4.6
(180 reviews)
Verified

As the closest authorized GM dealership, Pulaski GM is the primary destination for warranty work, complex electronics, and factory-level diagnostics. Their technicians are GM-certified and have direct access to the latest technical service bulletins and specialized tools for all GMC models, from the Sierra HD with Duramax to the Yukon Denali.

6 State Route 13, Pulaski, NY 13142

Specialties & Features

Duramax diesel service
Denali electronics
GM 10-speed transmission service

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Oswego County Automotive & Truck Repair

4.7
(150 reviews)
Verified

A highly reputable independent shop known for its deep expertise in diesel engines and heavy-duty truck systems. They are a preferred alternative to the dealership for major repairs like Allison transmission rebuilds and Duramax injector replacement, often at a more competitive labor rate. They have a strong focus on suspension and towing system work.

739 State Route 104, Oswego, NY 13126

Specialties & Features

Allison transmission repair
heavy-duty suspension
towing package maintenance

Business Information

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

Bernie's Repair Shop

4.8
(90 reviews)
Verified

A well-established, family-owned shop in nearby Constantia that has built a stellar reputation for honest diagnostics and dependable service. While they service all makes, they have specific, noted expertise in GM platforms, including the EcoTec3 gasoline engines and 4WD systems common in GMC trucks and SUVs. They are known for personalized service and building long-term customer relationships.

5 State Route 49, Constantia, NY 13044

Specialties & Features

EcoTec engine diagnostics
4WD service
general GMC maintenance

Business Information

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

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

** The GMC repair market for Prospect residents is characterized by a reliance on a small number of high-quality providers within a 20-mile radius. There is no dedicated GMC-exclusive specialist located directly within the hamlet of Prospect itself. The market is bifurcated: * **Authorized Dealership Service:** Pulaski GM represents the factory-authorized channel, offering the highest level of OEM part guarantees, software updates, and warranty coverage, particularly crucial for newer models with complex Denali features and advanced transmissions. * **High-Quality Independents:** Shops like Oswego County Automotive and Bernie's Repair provide a strong, trusted alternative for both routine and major repairs. They often excel in specific mechanical domains (diesel, transmission, suspension) and typically offer lower labor rates, making them a popular choice for out-of-warranty vehicles and older, workhorse GMC trucks. Competition is healthy but not saturated, ensuring that reputable shops maintain high service standards. Pricing is competitive with upstate New York averages, with dealership labor rates being approximately 15-25% higher than those of the top independents. For a resident of Prospect, the choice often comes down to the specific repair needed (warranty/complex electronics vs. mechanical/drivetrain) and personal preference for dealer versus independent service.

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 Prospect regulations and climate