The Best GMC Repair in Lebanon, ME

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

#1

Tri-City Transmissions & Auto Care

4.7
(280 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in complex transmission work, especially on Allison units in GM trucks. They have built a strong reputation for diagnosing and repairing intricate electronic and mechanical issues specific to modern GMC vehicles, including Duramax diesel performance and 4WD systems. They are a go-to for heavy-duty truck owners from Lebanon and the surrounding regions.

48 Milton Rd, Rochester, NH 03867

Specialties & Features

Allison transmission repair
Duramax diesel service
4WD and towing system diagnostics

Business Information

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

Somersworth Automotive Inc.

4.8
(190 reviews)
Verified

This shop has consistently high marks for customer service and technical proficiency. While a full-service auto repair center, they have multiple ASE and GM-specific certified technicians with extensive experience on the GMC platform. They are particularly praised for their diagnostic capabilities on EcoTec engines and their careful work on Denali interior electronics and luxury features.

20 High St, Somersworth, NH 03878

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
heavy-duty truck suspension

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Midas Auto Service - Rochester

4.4
(150 reviews)
Verified

As part of a national chain with established training and parts networks, this local Midas location offers a reliable option for routine and complex GMC service. They frequently service the area's truck population and have specific technical bulletins and tooling for common GMC issues. They are a solid choice for towing package maintenance, suspension work, and general diagnostics.

108 Milton Rd, Rochester, NH 03867

Specialties & Features

Towing package maintenance
heavy-duty truck suspension
general GMC service and diagnostics

Business Information

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

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

** The GMC repair market for Lebanon, Maine, residents is characterized by a reliance on service providers in neighboring New Hampshire towns, primarily Rochester and Somersworth. There is no dedicated GMC or Cadillac dealership within Lebanon itself, creating a niche for independent shops that specialize in GM products. The competition level is moderate, with a handful of highly reputable shops dominating the market for truck and SUV service. The average quality of service is high, as these businesses have built their reputation on serving a rural and commercial clientele that depends on reliable trucks. Pricing is typically competitive with dealership rates but often provides better value through more personalized service and direct access to master technicians. Customers should expect typical labor rates for the region to range from $120-$150 per hour for specialized work. For major services like Duramax injector replacement or Allison transmission overhaul, the expertise of these top providers justifies their premium standing in the local market.

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 Lebanon regulations and climate