The Best GMC Repair in Sunset, ME

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

#1

Hi-Way Auto & Transmission

4.6
(180 reviews)
Verified

A long-standing, family-owned business renowned as the region's go-to transmission specialist. They have extensive experience with Allison transmissions found in GMC HD trucks and have built a strong reputation for complex drivetrain and 4WD repairs. While not a dedicated GMC dealer, their technical expertise in critical systems like transmission and diesel engine support makes them a primary choice for serious repairs.

499 North St, Calais, ME 04619

Specialties & Features

Allison transmission repair
4WD and drivetrain service
Duramax diesel support

Business Information

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

Big M Transmissions & Auto Repair

4.5
(110 reviews)
Verified

While also a transmission expert, Big M has diversified to become a full-service auto and truck repair center. They are frequently recommended for diagnostics and repair on a wide range of issues, including engine diagnostics (EcoTec and gas engines) and suspension work on heavy-duty trucks. Their technicians are skilled in handling the electronic and towing systems common in modern GMCs.

2597 U.S. Rt 1, Columbia Falls, ME 04623

Specialties & Features

Transmission repair
heavy-duty suspension
EcoTec engine diagnostics

Business Information

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

Quirk Chevrolet GMC

4.1
(250 reviews)
Verified

As the nearest authorized GMC dealership, Quirk is the definitive source for factory-trained technicians, genuine GM parts, and complex electronic diagnostics. This is the premier destination for warranty work, Denali luxury feature repairs, advanced computer module programming, and official towing package maintenance. They have the specific tools and software that independent shops may not.

6 Moosehead Trail, Bangor, ME 04401

Specialties & Features

Denali electronics and features
factory towing package maintenance
GMC-specific technical service

Business Information

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

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

** The GMC repair market serving Sunset, Maine, is characterized by its rural nature and limited local options. There are no dedicated GMC specialists physically located within Sunset. The market is instead served by a combination of highly capable, long-standing independent mechanics in nearby small cities like Calais and Machias, and the authorized dealership located a greater distance away in Bangor. * **Average Quality:** The quality of specialized service is high among the top-tier providers, who have built their reputations over decades. These shops are accustomed to working on the trucks (including heavy-duty Duramax models) common in this logging and fishing region. * **Competition Level:** Competition is low in terms of sheer numbers but high in terms of reputation. Customers are loyal to proven specialists, particularly for major repairs like transmission work. The independents and the dealership serve somewhat different segments, with minimal direct competition. * **Typical Pricing:** Pricing is competitive for a rural market. Independent shops like Hi-Way Auto and Big M offer rates significantly lower than the dealership, making them the preferred choice for major mechanical work. Quirk Chevrolet GMC commands dealership labor rates but is the only option for certain proprietary electronic and warranty services.

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 Sunset regulations and climate