The Best GMC Repair in Greenport, NY

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

#1

Greenport Automotive

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 complex repairs. They are the go-to shop in the village for both daily drivers and heavy-duty trucks used by local tradespeople and boat owners. Their technicians have extensive experience with GM platforms.

355 1st St, Greenport, NY 11944

Specialties & Features

EcoTec engine diagnostics
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

North Fork Tire & Auto Repair

4.5
(150 reviews)
Verified

Located in the neighboring hamlet of Southold, this provider is a cornerstone for North Fork residents. They have a strong reputation for transmission work and 4WD systems, crucial for the local agricultural and vineyard industries. They invest in modern scan tools and have specific expertise with GM transmissions.

3015 Main Rd, Southold, NY 11971

Specialties & Features

Allison transmission repair
4WD system service
General engine diagnostics

Business Information

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

Peconic Bay Automotive

4.8
(90 reviews)
Verified

A highly-rated, newer shop that has quickly built a reputation for excellence in electrical and electronic diagnostics. They are the best local option for addressing the complex infotainment, comfort, and safety systems found in GMC Denali models. They also perform comprehensive service on all other GMC systems.

1045 Main Rd, Aquebogue, NY 11931

Specialties & Features

Denali luxury features and electronics
Advanced engine diagnostics
General GMC service
maintenance

Business Information

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

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

** The GMC repair market serving Greenport, NY, is characterized by a few high-quality, independent shops rather than a high volume of specialized competitors. There is no dedicated GMC or GM dealership in the immediate North Fork area, creating a niche for skilled independents. * **Average Quality:** The quality of service is generally high, with shops competing on reputation and trust in a tight-knit community. The lack of a dealership means these independents must handle everything from routine maintenance on a Terrain to complex diagnostics on a Sierra 3500HD Duramax, fostering a broad and deep skill set. * **Competition Level:** Competition is moderate but professional. It is not a price-war market; instead, shops compete on reliability, technical expertise, and customer service. The rural nature of the area means shops often collaborate or refer highly specialized work (like intricate Duramax fuel system overhauls) to trusted specialists further west in Riverhead or beyond. * **Typical Pricing:** Labor rates are competitive with the broader Long Island market but can be slightly higher than national averages, reflecting the higher cost of living and business operation. Expect to pay a premium for specialized diesel (Duramax) and transmission (Allison) work due to the required expertise and tooling. Shops are typically transparent with pricing, and estimates are strongly recommended. For the most specialized services like in-depth Duramax performance tuning or major Allison transmission rebuilds, residents may need to travel to larger service centers in Riverhead or the Smithtown area. However, for the vast majority of service needs, the providers listed above offer exceptional, reputable, and locally-trusted expertise for GMC owners in Greenport.

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 Greenport regulations and climate