The Best GMC Repair in Big Sandy, MT

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

#1

Big Sandy Repair & Towing

4.6
(85 reviews)
Verified

A long-standing, full-service automotive and diesel shop that is the primary local option for Big Sandy residents. They are known for their dependable service on everything from daily drivers to heavy-duty farm trucks. While not a dedicated GMC dealer, their technicians have extensive experience with the Duramax and Allison platforms common in the area.

101 Main St, Big Sandy, MT 59520

Specialties & Features

Diesel engine service
General transmission repair
4WD and towing system service

Business Information

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

Havre Auto & Diesel Repair

4.5
(120 reviews)
Verified

Located in the larger neighboring city of Havre, this shop is a common destination for Big Sandy residents seeking more specialized diesel and transmission work. They have a strong reputation for diagnosing complex issues on modern diesel engines and are equipped to handle heavy-duty truck suspension and Allison transmission services.

1245 US Hwy 2 NW, Havre, MT 59501

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

L & M Repair

4.7
(65 reviews)
Verified

A well-regarded independent repair shop in Havre that specializes in GM vehicles. They are a top choice for owners of GMC Denali models and other high-trim vehicles due to their expertise with GM-specific electronics and luxury features. Their technicians are proficient with GM diagnostic systems, making them ideal for EcoTec engine diagnostics and advanced electronic troubleshooting.

450 1st St, Havre, MT 59501

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
General GMC service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Big Sandy

** The GMC repair market in Big Sandy, Montana, is characteristic of a rural agricultural community. There is a high concentration of heavy-duty GMC trucks (Sierra 2500/3500) equipped with Duramax diesel engines and Allison transmissions, used for farming, ranching, and towing. The local market itself has very limited options, with **Big Sandy Repair & Towing** being the sole in-town provider. Consequently, the competitive landscape extends to **Havre, approximately 35 miles away**, which serves as the regional hub for specialized automotive services. **Average Quality:** The quality of service is generally high, as shops survive on reputation and word-of-mouth in a close-knit community. However, for highly specialized diagnostics (especially on Denali electronics), residents are accustomed to traveling to Havre for more advanced expertise. **Competition Level:** Competition within Big Sandy is virtually non-existent. The competitive pressure comes from the several shops in Havre vying for the business of surrounding towns. This keeps service quality and customer care at a premium. **Typical Pricing:** Labor rates are typically lower than the national average but are competitive for rural Montana. Expect rates in the **$110 - $140 per hour** range. Due to the specialized nature of diesel and transmission work, parts and labor for those services command a premium. Customers value honesty and reliability over rock-bottom prices.

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 Big Sandy regulations and climate