The Best GMC Repair in Brookton, ME

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

#1

County Line Diesel & Auto

4.7
(180 reviews)
Verified

Widely regarded as the premier diesel and heavy-duty specialist in the region. They have built a formidable reputation for deep technical expertise, particularly with Duramax engines and Allison transmissions. They are the go-to shop for complex diagnostics, major engine repairs, and performance upgrades for customers who rely on their trucks for logging, farming, and heavy towing.

1273 Main Street, Calais, ME 04619 (Approx. 30-minute drive from Brookton)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Houlton Powertech

4.5
(130 reviews)
Verified

While not exclusively a GMC shop, Houlton Powertech has certified technicians with specific training on GM platforms. They are particularly strong in transmission services, including the newer 10-speed models, and general powertrain diagnostics for both EcoTec gas and Duramax diesel engines. They offer a strong balance of specialist knowledge and general service capability.

452 North Street, Houlton, ME 04730 (Approx. 45-minute drive from Brookton)

Specialties & Features

Transmission repair (Allison
10-speed)
EcoTec engine diagnostics
4WD and towing system service

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes
#3

Quoddy Bay Automotive

4.3
(90 reviews)
Verified

A well-established, full-service automotive repair center known for its honest diagnostics and high-quality work. They have developed a niche in servicing the electronics and luxury features found in GMC Denali models, as well as routine maintenance of towing packages and 4WD systems. They are the top local choice for owners who prefer an independent shop over a dealership for complex electrical issues.

88 Bayview Drive, Eastport, ME 04631 (Approx. 40-minute drive from Brookton)

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
General GMC service
diagnostics

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Brookton, Maine, is characterized by its reliance on a small number of highly skilled independent shops located in surrounding, slightly larger towns. There are no GMC dealerships or dedicated "GMC-only" specialists within a 60-mile radius. The competitive landscape is not defined by a high volume of shops, but by the **depth of specialized expertise** a shop possesses, particularly for diesel and transmission work. The average quality of service is high, as these businesses survive and thrive by building a reputation for competence and reliability across a wide rural area. Pricing is typically competitive and often more favorable than dealership rates, reflecting the local market. Customers generally expect to travel 30-60 minutes for expert-level service, and the top shops are accustomed to serving a widespread clientele. For routine maintenance, local general mechanics can suffice, but for the specialized services you've listed, the providers above represent the top tier in the region.

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 Brookton regulations and climate