The Best GMC Repair in Gary, MN

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

#1

T&T Service Center

4.8
(180 reviews)
Verified

A long-standing, family-owned auto and truck service center renowned for its deep technical expertise with American-brand trucks. They are a go-to for complex diesel and transmission work, with several master technicians on staff. Their reputation for honest diagnostics and quality workmanship makes them a top choice for demanding GMC owners.

1202 Main Ave N, Thief River Falls, MN 56701

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty suspension

Business Information

Years in Business:45 years
Licensed:Yes
Insured:Yes
#2

All Transmission & Auto Repair

4.7
(95 reviews)
Verified

As the name implies, this shop specializes in transmission systems, with a particular focus on the Allison transmissions found in GMC HD trucks. They also provide comprehensive general auto repair. They are praised for their efficient service, fair pricing, and ability to solve complex transmission issues that other shops cannot.

906 Brooks Ave N, Thief River Falls, MN 56701

Specialties & Features

Allison transmission repair
4WD system service
towing package maintenance

Business Information

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

Auto Electric Service, Inc.

4.6
(110 reviews)
Verified

This provider excels in the complex electrical and electronic systems found in modern vehicles. They are the premier choice for diagnosing and repairing issues with GMC Denali luxury features, infotainment systems, advanced driver-assistance systems (ADAS), and electrical faults affecting engine performance (including EcoTec3 engines).

906 State Ave N, Thief River Falls, MN 56701

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
towing system electronics

Business Information

Years in Business:30 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for residents of Gary, MN, is effectively centered in **Thief River Falls**, the largest nearby commercial hub. Gary itself, being a very small town, does not host businesses with the specialized tooling, certifications, and inventory required for complex GMC diesel, transmission, or electronics work. The market in Thief River Falls is moderately competitive with several high-quality, independent shops that have built strong reputations over decades. These shops successfully compete with the local GMC dealership by offering more personalized service, often at a lower labor rate, while demonstrating equivalent or superior technical expertise for specific systems like transmissions and diesel engines. Pricing is typical for rural Minnesota, with labor rates generally lower than in major metropolitan areas, but parts costs for Duramax and Allison components remain significant. For any specialized GMC repair, from a Duramax injector replacement to an Allison transmission rebuild, the providers listed above represent the highest standard of care available to Gary residents.

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 Gary regulations and climate