The Best GMC Repair in Hiram, ME

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

#1

Hiram Automotive & Repair

4.5
(120 reviews)
Verified

A long-standing, family-owned full-service garage known for its honest diagnostics and deep roots in the local community. While not a dedicated GMC specialist, they have extensive experience with American trucks and SUVs, including the most common GMC models driven in the area, such as Sierras and Yukons. They are a trusted first stop for general maintenance, engine diagnostics, and suspension work.

34 Main Street, Hiram, ME 04041

Specialties & Features

EcoTec engine diagnostics
Heavy-duty truck suspension
General maintenance
repairs

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Cornish Corner Garage

4.7
(85 reviews)
Verified

Located just a short drive from Hiram in the neighboring town of Cornish, this shop has built a strong reputation for tackling more complex mechanical work. They are particularly noted for their transmission expertise and are a preferred local alternative to dealerships for significant drivetrain repairs. They service many GMC trucks used for farming and towing in the region.

102 Maple St, Cornish, ME 04020

Specialties & Features

Allison transmission repair
4WD and towing system service
Diesel engine service (general)

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Limerick Transmission & Diesel

4.8
(180 reviews)
Verified

This is the most specialized provider on the list, located in Limerick, ME, and serving a wide regional clientele. They are the go-to experts for the most demanding GMC repairs, particularly for heavy-duty Duramax diesel engines and complex Allison transmission rebuilds. Their technicians have specific training and tooling for diesel systems, making them the top recommendation for serious Duramax owners.

15 Industrial Way, Limerick, ME 04048

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty towing package maintenance

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Hiram, Maine, reflects its rural New England setting. There is no dedicated GMC or GM dealership within the town itself, creating a niche filled by independent, multi-brand repair shops. The average quality of service is high, with a strong emphasis on trust, longevity, and practical, cost-effective solutions rather than high-end dealership amenities. **Competition Level:** The competition is moderate but localized. Residents have a few trusted local options like Hiram Automotive for general needs but are willing to travel 15-25 minutes to specialists in neighboring towns like Cornish and Limerick for more complex issues. There is no cut-throat competition, as each shop has cultivated its own reputation and area of expertise. **Typical Pricing:** Pricing is generally lower than metropolitan areas or dealerships, reflecting the local cost of living. Labor rates are competitive and transparent. For specialized diesel and transmission work (e.g., at Limerick Transmission & Diesel), rates may be higher due to the required expertise and equipment, but they remain significantly more affordable than a dealership, which would be over an hour's drive away. Customers can expect honest, upfront quotes and a focus on repairing rather than replacing components when possible.

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 Hiram regulations and climate