The Best GMC Repair in Preston, MN

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

#1

Preston Auto Center

4.7
(180 reviews)
Verified

A long-standing, full-service automotive center known for its deep roots in the community and expertise in American trucks. They are a go-to for complex diagnostics and repair on both gasoline and diesel-powered GMC vehicles, from the Sierra 1500 to the 3500 HD series.

210 St. Paul St SW, Preston, MN 55965

Specialties & Features

EcoTec engine diagnostics
Allison transmission service
towing package maintenance

Business Information

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

Fountain Auto Repair

4.8
(90 reviews)
Verified

Located just a short drive from Preston in the neighboring town of Fountain, this highly-rated shop has built a stellar reputation for its technical expertise and honest service. They receive consistent praise for their work on drivetrain and 4WD systems, making them a top choice for GMC owners.

425 Main Ave S, Fountain, MN 55935

Specialties & Features

4WD and AWD system service
transmission repair
heavy-duty suspension

Business Information

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

Kuehn Motor Service

4.6
(70 reviews)
Verified

A specialized diesel and performance shop in nearby Spring Valley. This is the unequivocal expert for Duramax diesel service in the region. They handle everything from routine maintenance and emissions system repairs to performance tuning and complex engine diagnostics, specifically for the heavy-duty GMC market.

900 N Broadway St, Spring Valley, MN 55975

Specialties & Features

Duramax diesel service
diesel performance tuning
heavy-duty truck repair

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Preston, MN, reflects its rural and agricultural setting. The competition is not dense in terms of sheer numbers, but the quality of the few top providers is exceptionally high. These shops thrive because they possess the specific technical knowledge required for modern, complex GMC trucks, particularly in areas like diesel engines, all-wheel drive, and towing systems. * **Average Quality:** The average quality of specialized GMC repair is high, as the shops that survive are those that have invested in the necessary training and diagnostic equipment. General mechanics are available, but for the specialties listed (Duramax, Allison, etc.), the market is served by a handful of highly competent specialists. * **Competition Level:** Moderate to low in Preston proper, but highly competitive regionally. Shops in Preston, Fountain, and Spring Valley compete for the same discerning customer base of farmers, tradespeople, and truck owners who demand reliable, expert service. Reputation is the primary competitive differentiator. * **Typical Pricing:** Pricing is competitive with regional averages. Labor rates are typically lower than dealerships in larger cities like Rochester but are reflective of the high skill level required. Expect to pay a premium for specialized diesel (Duramax) and transmission (Allison) work due to the required expertise and proprietary tools. A standard oil change on a Duramax will be significantly higher than on an EcoTec engine, for example.

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 Preston regulations and climate