The Best GMC Repair in Islesford, ME

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

#1

Somesville Service Center

4.7
(180 reviews)
Verified

A highly respected, family-owned garage known for its technical expertise and honest service. They are the go-to shop on Mount Desert Island for complex diagnostics and repairs, particularly for American-made trucks and SUVs. Their technicians have extensive experience with GM platforms, making them a top choice for GMC owners who need work beyond basic maintenance.

1076 Main St, Somesville, ME 04679

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

Seal Cove Auto Service

4.5
(120 reviews)
Verified

Known for their meticulous work and excellent customer service, Seal Cove Auto has built a strong reputation for handling both routine maintenance and complex repairs. They service a large fleet of local contractor trucks and visitor vehicles, giving them broad experience with the 4WD, towing, and suspension systems common on GMC Sierra and Yukon models.

42 Clark Point Rd, Southwest Harbor, ME 04679

Specialties & Features

4WD and towing system service
heavy-duty truck suspension
towing package maintenance

Business Information

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

Downeast Diesel & Drivetrain

4.8
(90 reviews)
Verified

Located just off the island on the mainland in Trenton, this specialist shop is the premier destination for the most demanding drivetrain work. As the name implies, their focus is exclusively on diesel engines, transmissions, and driveline components. They are the unequivocal experts for Duramax and Allison-specific issues that general mechanics may not have the specialized tools or knowledge to address.

1236 Bar Harbor Rd, Trenton, ME 04605

Specialties & Features

Duramax diesel service
Allison transmission repair
driveline and differential service

Business Information

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

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

** The GMC repair market serving Islesford is characterized by high-quality, independent shops rather than dealerships, as the nearest GMC dealer is over an hour away in Bangor. The competition level is moderate, with a handful of highly reputable providers on MDI and the mainland who have established long-term trust within the community. These shops are accustomed to serving a clientele that includes local fishermen, contractors, and homeowners who rely heavily on their trucks, necessitating expertise in diesel, 4WD, and towing systems. Typical pricing is above the national average, reflecting the higher cost of living and operating a business in coastal Maine, as well as the specialized skill set required. However, customers generally report high satisfaction, valuing the expertise and personalized service that these local specialists provide over the impersonal experience of a distant dealership. For Isleford residents, accessing these services requires a short ferry trip to Mount Desert Island, making appointments essential and planning a necessary part of the vehicle service process.

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 Islesford regulations and climate