The Best GMC Repair in Hammond, NY

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

#1

G & G Service Center

4.7
(180 reviews)
Verified

A long-standing, family-owned and operated full-service garage known for its deep mechanical expertise, especially with American trucks and diesel engines. They are highly trusted for complex diagnostics and heavy-duty repair work, from routine maintenance on a Sierra 1500 to major Duramax engine service.

135 W Main St, Gouverneur, NY 13642

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Allison transmission repair

Business Information

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

Hosmer's Service Center

4.5
(120 reviews)
Verified

A well-respected, modern service center with advanced diagnostic equipment. They have technicians with specific training on GM platforms and are a go-to for both powertrain issues and sophisticated electrical/electronic system diagnostics, making them a strong choice for Denali models.

8762 State Route 12, Alexandria Bay, NY 13607

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

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

Caskinette Ford, GM & Mitsubishi (Service Department)

4.3
(250 reviews)
Verified

As the primary franchised GM dealership in the immediate area, their service department has direct access to GM-specific tools, software, technical service bulletins, and factory-trained technicians. This is the most direct source for OEM parts, complex module programming, and warranty work.

32371 State Highway 37, Theresa, NY 13691

Specialties & Features

GMC factory-certified services
Allison and 10-speed transmission repair
4WD and towing system service

Business Information

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

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

** The GMC repair market in the Hammond, NY area is characterized by a reliance on a few established, high-trust providers rather than a wide field of competition. Due to the rural nature of the North Country, residents depend heavily on their trucks for work and daily life, creating a demand for competent, durable repairs. * **Average Quality:** The average quality of general auto repair is good, but the expertise for specialized GMC systems (Duramax, Allison, advanced electronics) is concentrated in the top-tier shops listed above. Going to a non-specialist for these issues carries a higher risk of misdiagnosis or improper repair. * **Competition Level:** Competition is low-to-moderate. There are several small general mechanics, but only a handful possess the specific tooling, software, and experienced technicians to handle the full spectrum of GMC services reliably. The dealership (Caskinette) holds a unique position with its factory backing. * **Typical Pricing:** Pricing is competitive with regional norms. Independent specialists (G & G, Hosmer's) typically offer labor rates 15-30% lower than the dealership, making them a strong value for complex mechanical work. The dealership's rates are higher but are often justified for issues requiring proprietary GM programming and diagnostics. Customers generally report fair pricing across these top providers, with cost reflecting the high level of expertise required.

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 Hammond regulations and climate