The Best GMC Repair in Morton, MN

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

#1

T & M Auto & Diesel Repair

4.8
(140 reviews)
Verified

A family-owned and operated shop renowned for its expertise in diesel engine performance and complex transmission work. They are a go-to for local farmers, contractors, and GMC truck owners needing reliable service for heavy-duty applications. Known for honest diagnostics and high-quality workmanship.

1401 E Bridge St, Redwood Falls, MN 56283 (Approx. 12 miles from Morton)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:30 years
Licensed:Yes
Insured:Yes
#2

T & J Transmission & Auto Repair

4.7
(95 reviews)
Verified

While the name highlights transmissions, this shop provides comprehensive automotive care with a specific reputation for excellence with Allison transmissions and GM powertrains. They are skilled in both gas and diesel engine diagnostics and are a trusted source for 4WD system service.

804 N 11th St, Olivia, MN 56277 (Approx. 20 miles from Morton)

Specialties & Features

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

Business Information

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

Hector Auto Service

4.6
(80 reviews)
Verified

A well-established, full-service garage known for its technical competency with modern GM vehicles. They handle everything from routine maintenance on EcoTec engines to more complex electrical diagnostics, making them a solid choice for Denali owners and those with integrated towing packages.

301 Main St W, Hector, MN 55342 (Approx. 25 miles from Morton)

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

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

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

** The GMC repair market serving Morton, Minnesota, is characteristic of a rural agricultural region. There are no dedicated GMC dealerships within the immediate city limits, creating a service environment dominated by highly capable, independent repair shops in the surrounding towns. The average quality of service is high, as these businesses survive on reputation, word-of-mouth, and their ability to service the demanding needs of farm and heavy-duty truck owners. Competition is moderate but specialized; shops tend to develop strong reputations in specific areas (e.g., one for transmissions, another for diesel work) rather than engaging in direct, head-to-head competition on all fronts. Pricing is typically lower than dealership rates but reflects the high level of expertise required, especially for diesel and transmission services. Customers generally expect to drive 15-25 miles to access a specialist, and loyalty to a trusted local mechanic is a defining feature of the market. For the most complex electronic or warranty-related issues, residents may still travel to larger cities like Mankato or the Twin Cities.

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 Morton regulations and climate