The Best GMC Repair in De Kalb Junction, NY

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

#1

Gonyea's Auto & Truck Repair

4.7
(180 reviews)
Verified

A long-standing, family-owned business with a stellar reputation for handling both domestic cars and heavy-duty trucks. They are known for their deep mechanical expertise, particularly with GM powertrains. Customers frequently praise their honesty, quality workmanship, and ability to diagnose complex issues that other shops miss. They are a go-to for diesel and transmission work in the county.

1021 State Hwy 812, Ogdensburg, NY 13669

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

P&C Automotive

4.6
(130 reviews)
Verified

A highly reputable shop known for its modern diagnostic equipment and technically proficient staff. They serve a wide range of vehicles but have developed a strong niche with GM SUVs and trucks, including those with advanced electronic and towing systems. They are often recommended for their professionalism and effective communication.

1000 State Hwy 68, Canton, NY 13617

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
4WD and towing system service

Business Information

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

Dealmaker Automotive Group (GMC Dealer Service Department)

4.3
(90 reviews)
Verified

As the primary GMC dealership in the region, their service department is the default choice for warranty work, complex electronics, and luxury features found in Denali models. Their technicians receive direct factory training from GM and have exclusive access to proprietary diagnostic tools and OEM parts.

22301 State Hwy 12, Watertown, NY 13601

Specialties & Features

Denali luxury features and electronics
GMC-specific certifications and expertise
Factory-backed transmission repair

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in De Kalb Junction

** The GMC repair market serving De Kalb Junction, NY, is characterized by a reliance on a small number of highly capable independent shops and one regional dealership. Due to the rural nature of St. Lawrence County, residents heavily depend on their trucks for work and daily life, creating a market that demands expertise in diesel, 4WD, and towing systems. * **Average Quality:** The quality is generally high among the top-tier providers, as they have built their reputations over decades by serving a loyal, local customer base. Shops that cannot competently service these complex systems do not survive long. * **Competition Level:** Competition is moderate. While there are fewer than a dozen shops with the specific expertise for advanced GMC repairs, they compete fiercely on reputation, reliability, and personalized service rather than price alone. * **Typical Pricing:** Pricing is competitive for a rural market. Independent shops like Gonyea's and P&C Automotive typically offer labor rates 20-30% lower than the dealership (Dealmaker Automotive). However, for issues requiring proprietary GM software or components, the dealership is often the only viable option, despite the higher cost. Expect to pay a premium for diesel and transmission specialist work at all locations due to the required expertise.

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 De Kalb Junction regulations and climate