The Best GMC Repair in Fairfield, MT

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

#1

B&B Repair & Diesel Service

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in diesel engines and heavy-duty truck systems. They are the go-to specialists in the region for complex Duramax diagnostics and performance, as well as robust transmission and 4WD work. Their technicians are known for tackling problems other shops avoid.

3800 10th Ave S, Great Falls, MT 59405

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:42 years
Licensed:Yes
Insured:Yes
#2

GMC of Great Falls (Service Department)

4.4
(250 reviews)
Verified

As the authorized GMC dealership, this service department provides factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the premier choice for warranty work, complex electronics, Denali luxury feature repairs, and towing system programming.

500 10th Ave S, Great Falls, MT 59405

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#3

Certified Transmission & Auto Care

4.6
(120 reviews)
Verified

Part of a respected regional network, this shop offers a strong warranty and specific expertise in transmission services, including the complex Allison and newer 10-speed units found in GMC trucks. Their services extend to general auto care, making them a solid one-stop shop for transmission-centric issues and related diagnostics.

5110 10th Ave S, Great Falls, MT 59405

Specialties & Features

Allison transmission repair
10-speed transmission service
4WD diagnostics

Business Information

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

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

** The GMC repair market serving Fairfield, Montana, is characterized by its reliance on nearby service hubs, primarily Great Falls. As a small agricultural town, Fairfield itself lacks a dedicated GMC-specific specialty shop. Residents are accustomed to traveling approximately 40-50 miles to Great Falls for specialized repairs. * **Average Quality:** The quality of service available is generally high, with several long-standing, reputable businesses in Great Falls that have built trust over decades. The presence of a dealership ensures access to OEM-level service. * **Competition Level:** Competition is moderate within the Great Falls market, which benefits the consumer. Shops like B&B Repair compete on specialized diesel expertise, while the dealership leverages its factory backing, and specialized chains like Certified Transmission compete on specific system repairs. * **Typical Pricing:** Pricing is competitive for the region. Independent specialists like B&B Repair often offer more competitive labor rates than the dealership, but parts and diagnostic costs are generally in line with national averages for this type of specialized work. Expect premium pricing for complex diesel and electronic diagnostics, regardless of the provider.

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 Fairfield regulations and climate