The Best GMC Repair in Avon, MT

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

#1

Capital GM Service & Repair

4.7
(180 reviews)
Verified

A highly specialized independent shop focused exclusively on General Motors vehicles. Their master technicians have direct dealership experience, providing OEM-level expertise for GMC, Chevrolet, and Cadillac models at more competitive rates than a dealership. They are the go-to in the region for complex diesel and transmission work.

1200 Cedar St, Helena, MT 59601 (Approx. 25 miles from Avon)

Specialties & Features

Duramax diesel service
Allison transmission repair
GMC/Chevy electronics
programming

Business Information

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

Big Sky Truck & Auto Center

4.5
(220 reviews)
Verified

A well-established, full-service shop known for handling heavy-duty trucks and complex 4x4 systems. They have a strong reputation for durability and performance, catering to customers who use their GMC trucks for towing, ranching, and outdoor recreation in the Montana terrain.

900 Jackson St, Helena, MT 59601 (Approx. 25 miles from Avon)

Specialties & Features

Heavy-duty suspension
lift kits
4WD system service
towing package maintenance
installation

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Helena Auto Tech

4.6
(150 reviews)
Verified

A reputable and trustworthy general auto repair shop with specific, certified expertise in GM platforms. They are praised for their diagnostic capabilities, particularly with modern engine computers and the smaller-displacement EcoTec engines found in GMC terrain and Canyon models, in addition to full-size truck service.

700 Last Chance Gulch, Helena, MT 59601 (Approx. 25 miles from Avon)

Specialties & Features

EcoTec engine diagnostics
general GMC maintenance
electrical system repair

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for residents of Avon, Montana, is characterized by its reliance on the nearby city of Helena for specialized services. As a rural community, there are no dedicated GMC dealerships or specialist shops within Avon itself. The local market consists of a few general mechanics who can handle basic maintenance but lack the proprietary diagnostic tools and specific training for complex issues with Duramax engines, Allison transmissions, or Denali electronics. The competitive landscape is therefore centered in Helena, which offers a healthy mix of the official GMC dealership (which was not ranked due to typically higher pricing but remains an option) and several highly competent independent specialists. The independents listed have built their reputations on providing dealership-level expertise at more affordable rates, which is highly valued in this market. Pricing is generally competitive for the region, with labor rates typically ranging from $120-$150/hour for specialized work. Quality and reliability are the primary drivers for customers, who often depend on their trucks for daily livelihood and recreation in a demanding environment.

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 Avon regulations and climate