The Best GMC Repair in Isle Au Haut, ME

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

#1

Stonington Auto & Truck Repair

4.7
(180 reviews)
Verified

A full-service, family-owned garage known for its expertise with both domestic trucks and passenger vehicles. They are the primary and most trusted automotive service provider for residents of the Deer Isle archipelago, including Isle Au Haut. Their technicians have extensive experience with GM powertrains and are well-equipped for the heavy-duty and towing needs common in the area.

12 Seabreeze Ave, Stonington, ME 04681

Specialties & Features

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

Business Information

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

Seal Cove Auto Company

4.8
(120 reviews)
Verified

Located in nearby Southwest Harbor, this shop has a stellar reputation for technical diagnostics and complex repairs. While they service all brands, they have developed a niche expertise with GM vehicles, particularly the electronics and engine management systems found in Denali trims and newer models with EcoTec engines.

2553 Main St, Southwest Harbor, ME 04679

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Transmission repair (Allison
10-speed)

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Ellsworth Transmission & Auto Care

4.5
(200 reviews)
Verified

As a dedicated transmission specialist with a broad general repair capability, this provider is the go-to for complex transmission issues, especially for the robust Allison transmissions in HD trucks. Their location in Ellsworth makes them a viable option for Isle Au Haut residents making a longer trip for specialized service.

24 Franklin St, Ellsworth, ME 04605

Specialties & Features

Allison transmission repair
Transmission repair (Allison
10-speed)
Towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Isle Au Haut

** The GMC repair market for Isle Au Haut is entirely dependent on mainland providers, primarily concentrated in Stonington, Blue Hill, Ellsworth, and the Bar Harbor region. Due to the island's fishing and boating industry, mainland shops are very familiar with servicing heavy-duty trucks, diesel engines, and vehicles used for towing. The level of competition is moderate among high-quality shops, but wait times can be significant during peak tourist and fishing seasons. Typical pricing is above the national average, reflecting the rural location, specialized expertise required for modern truck systems, and the higher operational costs for businesses in coastal Maine. Service quality is generally high, as these businesses rely on long-term reputations within the small, interconnected coastal communities. For Isle Au Haut residents, logistical planning around the ferry schedule is an essential, non-negotiable part of any vehicle service.

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 Isle Au Haut regulations and climate