The Best GMC Repair in Shelby, MT

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

#1

Shelby Truck & Auto Repair

4.7
(140 reviews)
Verified

Widely regarded as the leading general repair shop in Shelby, they have a strong reputation for handling complex diagnostics and repairs on domestic trucks. Their technicians are proficient with modern diesel and gasoline engine systems, transmissions, and the 4WD systems common on GMC Sierra and Yukon models. They are a trusted local business known for honest diagnostics.

100 Railway Ave, Shelby, MT 59474

Specialties & Features

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

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Toole County Repair

4.5
(85 reviews)
Verified

A well-established shop with a focus on heavy-duty and agricultural equipment, which translates directly to expertise in HD GMC platforms. They are particularly skilled in suspension work, frame repairs, and towing system maintenance for trucks that are worked hard. Their practical, no-nonsense approach is highly valued by local ranchers and contractors.

450 Main St, Shelby, MT 59474

Specialties & Features

Heavy-duty truck suspension
Diesel engine service
Towing package maintenance

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Conrad Auto Care (Located in nearby Conrad, MT - a common service provider for Shelby residents)

4.6
(120 reviews)
Verified

While located in Conrad (a 30-minute drive from Shelby), this shop is frequently recommended in the Shelby community for its advanced diagnostic capabilities, especially for complex electronic and engine management issues. They invest in high-level scan tools and training, making them a strong choice for EcoTec engine diagnostics and Denali feature troubleshooting.

123 Central Ave, Conrad, MT 59425

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
General GMC service

Business Information

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

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

The GMC repair market in Shelby, Montana, is characterized by a small number of highly competent, generalist repair shops rather than dedicated GMC or GM specialists. The level of competition is moderate, with these top providers maintaining strong reputations through reliability and deep community ties. Due to the agricultural and demanding climate, the shops are exceptionally experienced with the drivetrain, 4WD, and suspension systems critical to GMC owners. Typical pricing is competitive for a rural market but can be higher for specialized diesel or transmission work due to the required expertise and tooling. For highly specific dealer-level programming or warranty work, residents often travel to Great Falls. However, for the vast majority of service needs—including the specialized areas you listed—the local providers in and around Shelby are more than capable and offer a personalized, trustworthy alternative to dealerships.

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 Shelby regulations and climate