The Best GMC Repair in Garnerville, NY

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

#1

C & S Auto Repair

4.8
(180 reviews)
Verified

A family-owned and operated shop renowned for its technical expertise and honest service. They have built a stellar reputation for handling complex diagnostics and repairs on domestic trucks, with a significant portion of their work focused on GMC Sierra and Chevrolet Silverado models. They are a go-to for Duramax and Allison service in Rockland County.

60 W Railroad Ave, Garnerville, NY 10923

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Garnerville Automotive

4.6
(150 reviews)
Verified

A well-established, full-service shop with deep roots in the community. They offer comprehensive automotive care with a strong focus on American-made trucks and SUVs. Their technicians are skilled in modern engine management systems, including EcoTec diagnostics, and general towing system maintenance.

13 W Railroad Ave, Garnerville, NY 10923

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
4WD service

Business Information

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

Stony Point Automotive & Diesel Repair

4.7
(120 reviews)
Verified

Located just minutes from Garnerville in neighboring Stony Point, this provider is a dedicated diesel and truck specialist. They are highly recommended for their work on heavy-duty pickups and are equipped to handle everything from routine Duramax maintenance to major transmission overhauls and advanced electrical diagnostics for Denali models.

46 S Liberty Dr, Stony Point, NY 10980

Specialties & Features

Duramax diesel service
Denali luxury features and electronics
Transmission repair

Business Information

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

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

** The GMC repair market in Garnerville is characterized by a few high-quality, independent shops rather than a high volume of competitors. The market is not saturated, but the existing providers are exceptionally capable, creating a competitive environment based on quality and specialization rather than price alone. Given the technical complexity of modern GMC trucks—especially Duramax diesel, Allison transmissions, and Denali electronics—the leading shops have invested significantly in specialized training and diagnostic equipment. **Average Quality:** The top-tier shops are of very high quality, often rivaling or exceeding dealership service departments in technical skill while offering more personalized service and lower labor rates. **Competition Level:** Moderate. There are several general auto repair shops, but only 2-3 true specialists with the expertise and reputation to handle the full spectrum of GMC-specific services. This specialization allows them to command a premium for their expert work. **Typical Pricing:** Labor rates are in line with the New York Metro area, typically ranging from **$130 - $175 per hour**. Given the specialization, diesel and transmission work will be at the higher end of this scale. Customers can expect to pay a premium for expertise, but it is a cost-effective alternative to dealership service for complex repairs.

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 Garnerville regulations and climate