The Best GMC Repair in Roundup, MT

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

#1

Musselshell Auto & Diesel

4.7
(89 reviews)
Verified

A highly reputable, full-service shop known for its expertise in both gasoline and diesel engine repair. They are the go-to provider in Roundup for complex diagnostics and heavy-duty truck service, including the Duramax and Allison systems common in GMC trucks. Their technicians are skilled in modern automotive electronics.

4 S 4th St W, Roundup, MT 59072

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Roundup Quick Lube & Auto Repair

4.4
(62 reviews)
Verified

While offering standard services like oil changes, this well-established shop has built a strong reputation for broader mechanical repairs. They are frequently mentioned in reviews for handling transmission services, 4WD system maintenance, and engine diagnostics for domestic trucks, making them a reliable choice for GMC owners for general and tow-package related maintenance.

4 NE St, Roundup, MT 59072

Specialties & Features

Transmission service
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

T & C Repairs

4.9
(45 reviews)
Verified

A highly-rated, customer-focused mobile mechanic service that serves Roundup and the surrounding Musselshell County. While not a physical shop, the proprietor has specific expertise in GM vehicles. This is an excellent option for diagnostics, electrical issues (including Denali features), and general repairs, offering convenience and direct, personalized service.

Mobile Service (Based in Roundup, MT)

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
General GMC mechanical repair

Business Information

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

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

** The GMC repair market in Roundup, Montana, is characteristic of a rural community. There are no dedicated GMC or GM dealership service centers within the city, creating a niche for independent auto repair shops to fill. The average quality of service is high, as these local businesses survive on reputation and word-of-mouth in a tight-knit community. Competition is moderate but friendly, with each shop having its own loyal customer base. Typical pricing is below the national average for dealership labor rates but is competitive for the region. Customers benefit from personalized service and mechanics with broad, generalist knowledge capable of working on everything from older models to modern computer-controlled systems. For highly specialized transmission or diesel injector work that exceeds local capabilities, shops will typically refer customers to larger specialty shops in Billings (approximately 50 miles away). Overall, GMC owners in Roundup have access to competent, trustworthy, and affordable repair options for the vast majority of their service needs.

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 Roundup regulations and climate