The Best GMC Repair in Barnum, MN

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

#1

Carlson's Service Center

4.8
(85 reviews)
Verified

A long-standing, family-owned and operated full-service garage known for its honest diagnostics and high-quality workmanship. They have built a strong reputation for handling complex repairs on domestic trucks and SUVs, including modern diesel and transmission systems. Their local presence and commitment to customer service make them a top choice.

3875 Main St, Barnum, MN 55707

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing diagnostics

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Moose Lake Auto & Truck Repair

4.6
(120 reviews)
Verified

Located just a short drive from Barnum, this shop is well-equipped for larger truck and SUV repairs. They have specific expertise in drivetrain and powertrain services, making them a go-to for the heavy-duty capabilities of GMC trucks. They are known for their technical knowledge and ability to handle both routine maintenance and major overhauls.

1203 Folz Blvd, Moose Lake, MN 55767

Specialties & Features

Allison transmission repair
heavy-duty truck suspension
EcoTec engine diagnostics

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Kolar Chevrolet Buick GMC (Service Department)

4.4
(250 reviews)
Verified

As the closest authorized GMC dealership, Kolar's service department in nearby Duluth is the premier choice for warranty work, complex electronics, and specialized diagnostics. Their technicians are GM-certified and have direct access to the latest technical service bulletins, specialized tools, and OEM parts. This is the best facility for Denali luxury features, advanced electronics, and factory towing package maintenance.

5100 Miller Trunk Hwy, Duluth, MN 55811

Specialties & Features

Denali luxury/electronics
GMC-specific towing package maintenance
Factory-certified diagnostics

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Barnum, MN, is characteristic of a rural area with a reliance on robust vehicles. The quality of service is generally high, driven by a need for dependable truck repair within the community. The competition level is moderate but specialized; while there are several general mechanics, only a handful possess the specific expertise, proprietary software, and equipment required for advanced GMC systems like Duramax engines and Allison transmissions. Pricing is tiered. Local independent shops like Carlson's and Moose Lake Auto typically offer more competitive labor rates, providing excellent value for complex mechanical work. The dealership (Kolar) commands a premium price, which is justified for warranty, electronic, and software-related issues that require factory-level certification and tools. For residents of Barnum, the choice often comes down to the nature of the repair: local independents for mechanical and drivetrain issues, and the dealership for advanced electronics, warranty, and brand-specific programming.

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 Barnum regulations and climate