The Best GMC Repair in Stewart, MN

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

#1

Gislason Chevrolet Buick GMC

4.4
(180 reviews)
Verified

As the area's authorized GMC dealership, Gislason provides the highest level of factory-specific training, proprietary diagnostic tools, and access to genuine GM parts. Their service department is the go-to for complex electrical issues, warranty work, and the latest technical service bulletins for Duramax, Allison, and EcoTec engines.

1200 E College Dr, Marshall, MN 56258

Specialties & Features

Denali electronics and features
Allison transmission repair
EcoTec engine diagnostics

Business Information

Years in Business:60 years
Licensed:Yes
Insured:Yes
#2

Marshall Auto & Truck Service

4.7
(95 reviews)
Verified

A highly reputable independent shop known for its expertise in diesel and heavy-duty truck service. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in the areas dealerships often outsource, such as complex transmission rebuilds and suspension upgrades for heavy-duty GMC trucks.

204 N 4th St, Marshall, MN 56258

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Transmission repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

T & T Auto & Truck Repair

4.5
(70 reviews)
Verified

A well-regarded local shop in Marshall that offers a broad range of services with a focus on drivetrain and 4WD systems. They are a practical choice for Stewart residents needing reliable service for towing package maintenance, 4WD system service, and general engine repair on both gas and diesel-powered GMC trucks.

Specialties & Features

4WD and towing system service
Towing package maintenance
General GMC repair

Business Information

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

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

** The GMC repair market serving Stewart, MN, is characterized by its reliance on the larger service ecosystem in Marshall, located approximately 15 miles away. There are no dedicated GMC-only specialist shops within Stewart's city limits itself. The market is bifurcated: * **Dealership Service (Gislason):** Represents the premium tier for factory-certified repairs, particularly for complex electronics, new vehicle warranties, and proprietary systems. Pricing is typically at the higher end of the market but is justified by specialized technician training and OEM parts. * **Independent Shops (Marshall Auto & Truck, T & T Auto):** These providers form the competitive core of the market, offering significant cost savings (typically 15-30% lower labor rates than the dealership) and often deeper mechanical expertise in high-wear areas like diesel engines, transmissions, and suspensions. They compete fiercely on reputation, personalized service, and long-term customer relationships, which are paramount in a rural market. Overall, competition is healthy but not saturated. Stewart residents have access to high-quality, specialized service for their GMC trucks by traveling a short distance to Marshall. The typical pricing reflects a rural Midwestern market, being more affordable than metropolitan areas, with labor rates generally ranging from $110-$150/hour at independents and $150-$180/hour at the dealership.

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 Stewart regulations and climate