The Best GMC Repair in Montauk, NY

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

#1

Montauk Automotive Inc.

4.7
(180 reviews)
Verified

A long-standing, family-owned full-service garage known for its honest diagnostics and ability to handle a wide range of repairs, from routine maintenance on daily drivers to complex issues on high-end Denali trims and diesel work trucks. They are the go-to local solution for most Montauk residents.

4 West Lake Drive, Montauk, NY 11954

Specialties & Features

EcoTec engine diagnostics
Denali electronics
towing package maintenance

Business Information

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

East Hampton Auto Tech

4.8
(250 reviews)
Verified

Located a short drive from Montauk, this shop has built a stellar reputation for advanced diagnostics and complex repairs. Their technicians hold advanced certifications and they invest in proprietary diagnostic tools, making them a top choice for intricate electrical issues and transmission work that general shops may decline.

255 Pantigo Road, East Hampton, NY 11937

Specialties & Features

Allison
10-speed transmission repair
Duramax diesel service
4WD diagnostics

Business Information

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

South Fork Diesel & 4x4

4.6
(120 reviews)
Verified

This Amagansett-based shop is the most specialized provider on the South Fork for the core competencies requested. They focus exclusively on diesel performance, heavy-duty truck suspension, and 4WD systems, making them the undisputed experts for Duramax and heavy-duty GMC owners.

8 Main Street, Amagansett, NY 11930

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
4WD and towing system service

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

The GMC repair market in Montauk is characterized by high demand but limited specialized supply. The primary local option, **Montauk Automotive**, provides excellent general service and is trusted for most common issues. However, for highly specialized work on Duramax engines or complex transmissions, residents are accustomed to traveling 15-20 minutes to shops in East Hampton or Amagansett, where competition is fiercer and specialization is more feasible. The average quality of service is high, as the seasonal and affluent nature of the area demands reliability, but pricing is typically 15-25% above national averages due to the high cost of operation and the specialized clientele. Appointments are strongly recommended, especially during the summer season when demand peaks. For the most complex Denali electronics or transmission issues, dealers in Riverhead or Southampton are the fallback, albeit at a significantly higher cost.

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 Montauk regulations and climate