The Best GMC Repair in Columbia Falls, MT

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

#1

Columbia Falls Repair & Diesel

4.8
(120 reviews)
Verified

A highly respected, locally-owned shop known for its deep expertise in diesel engine performance and heavy-duty truck systems. They are the go-to specialists in the immediate area for complex Duramax diagnostics, performance tuning, and Allison transmission servicing. Their technicians are known for their methodical problem-solving approach.

1105 9th St W, Columbia Falls, MT 59912

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

K & M Auto Service Center

4.6
(180 reviews)
Verified

While not exclusively a GMC shop, K & M has a long-standing reputation for comprehensive general and specialized repair. They are a trusted name for routine and complex service on a wide range of GMC models, including Sierra, Yukon, and Canyon. They excel at EcoTec engine diagnostics, 4WD system service, and general towing package maintenance.

608 9th St W, Columbia Falls, MT 59912

Specialties & Features

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

Business Information

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

A-1 Transmission & Auto Repair

4.5
(90 reviews)
Verified

As the name implies, this provider is the premier specialist for transmission work in the area, with specific expertise in the Allison transmissions found in GMC HD trucks. They also offer full-service automotive repair, making them a strong choice for GMC owners experiencing drivetrain issues or requiring a transmission rebuild or replacement.

2585 US-2 E, Columbia Falls, MT 59912 (Located on the main highway, easily accessible)

Specialties & Features

Allison transmission repair
Drivetrain service
4WD diagnostics

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Columbia Falls

** The GMC repair market in Columbia Falls is characterized by a small number of highly capable, independent shops rather than a high volume of competitors. There is no dedicated GMC dealership within Columbia Falls itself; residents typically travel to Kalispell for factory-dealer services. This has fostered a robust independent market where reputation and technical specialization are paramount. The average quality of service is high, as these businesses survive by building long-term trust within the community. The competition level is moderate but focused on expertise rather than price undercutting. Given the rural nature of the area and the prevalence of towing, farming, and outdoor recreation, shops are very familiar with the demands placed on GMC trucks, particularly Duramax and Allison systems. Typical pricing is competitive for the region but reflects the specialized knowledge required. Expect labor rates in the **$110 - $150/hour** range. For major services like a Duramax injector replacement or an Allison transmission overhaul, costs are significant but generally lower than at a dealership in Kalispell. Consumers in this market highly value honesty, reliability, and the ability to fix complex problems correctly the first time.

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 Columbia Falls regulations and climate