The Best GMC Repair in Musselshell, MT

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

#1

Central Montana Diesel & Auto Repair

4.8
(180 reviews)
Verified

A highly respected, family-owned shop known as the regional leader in diesel performance and repair. They are the go-to for complex Duramax diagnostics, performance tuning, and heavy-duty transmission work. Their technicians have advanced training and they invest in proprietary diagnostic tools for GM vehicles.

1224 Main Street, Roundup, MT 59072 (Approx. 15 miles from Musselshell)

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

M & T Auto & Truck Service

4.6
(95 reviews)
Verified

A well-established, full-service shop with a strong reputation for honest work and comprehensive service. They have extensive experience with the entire GM truck and SUV lineup, from routine EcoTec maintenance to complex 4WD system service and towing package installations.

455 1st Avenue E, Roundup, MT 59072

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
general GMC maintenance

Business Information

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

Hi-Line Auto & Electric

4.4
(70 reviews)
Verified

While a broader auto repair shop, Hi-Line has carved a niche in advanced electrical and electronic diagnostics, making them an excellent choice for troubleshooting complex issues in GMC Denali models, infotainment systems, and integrated trailer brake controllers.

810 2nd Street W, Roundup, MT 59072

Specialties & Features

Denali luxury features and electronics
towing package maintenance
electrical diagnostics

Business Information

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

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

** The GMC repair market in the Musselshell area is characterized by a reliance on a small number of highly capable independent shops in nearby Roundup, the Musselshell County seat. There are no dedicated GMC dealerships within a 50-mile radius, which has fostered a competitive and skilled independent repair sector. The average quality of service is high, as these shops survive by building long-term trust within the rural and ranching community where reliable trucks are essential. Competition is moderate but reputation-based; shops with poor service do not last long. Typical pricing is competitive with national averages for specialized diesel and transmission work, but often lower than dealership rates for general maintenance. Consumers benefit from personalized service and deep local knowledge, particularly for vehicles used in agriculture, ranching, and towing.

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 Musselshell regulations and climate