The Best GMC Repair in Humboldt, MN

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

#1

D & M Auto & Truck Repair

4.8
(180 reviews)
Verified

A highly reputable, family-owned shop known for its expertise in both light-duty and heavy-duty trucks. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in the complex systems found in modern GMC trucks, particularly Duramax and Allison platforms.

4655 18th Ave NW, Owatonna, MN 55060

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Lou's Transmission & Auto Repair

4.7
(130 reviews)
Verified

While "Transmission" is in their name, their expertise is far broader. They are frequently cited in reviews as the go-to shop for complex transmission and driveline issues, making them an excellent choice for the sophisticated Allison and 10-speed transmissions in GMCs, as well as 4WD system service.

515 North Front Street, Mankato, MN 56001

Specialties & Features

Allison transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Gislason Automotive Inc.

4.6
(90 reviews)
Verified

A well-established, full-service automotive repair center with a strong focus on GM vehicles. They are known for their technical knowledge, use of advanced diagnostic equipment, and ability to handle a wide range of repairs from engine work to electronic and towing system maintenance.

205 3rd Ave SE, St. Peter, MN 56082

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
General GMC service and repair

Business Information

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

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

** The GMC repair market serving Humboldt, MN, is characterized by a reliance on reputable independent shops in neighboring commercial centers like Owatonna, Mankato, and St. Peter. As a smaller community, Humboldt itself does not host a dedicated GMC dealership or a shop that exclusively specializes in GMC trucks. The highest concentration of specialized expertise, particularly for complex systems like Duramax diesel and Allison transmissions, is found in these larger towns. The market is moderately competitive, with a few top-tier independents consistently receiving the highest praise and handling the most complex jobs. These shops compete on technical expertise and personalized service rather than price. Typical pricing for labor is in the $120-$150/hour range, which is standard for specialized, high-quality mechanical work in the region. For major services like transmission overhaul or diesel injector replacement, customers should expect comprehensive diagnostics and estimates that reflect the high cost of OEM-quality parts and specialized labor. The overall quality of service available to Humboldt residents is high, provided they are willing to travel a short distance to access these established specialists.

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 Humboldt regulations and climate