The Best GMC Repair in Marietta, MN

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

#1

Marietta Repair

4.7
(85 reviews)
Verified

A long-standing, family-owned full-service garage that is the primary automotive service provider within Marietta itself. They are known for their honest diagnostics and ability to handle a wide range of repairs on domestic trucks, including routine maintenance and complex mechanical work on engines and drivetrains. They have deep roots in the community and are the first stop for many local GMC owners.

100 Main St, Marietta, MN 56257

Specialties & Features

EcoTec engine diagnostics
General maintenance and repairs
4WD and towing system service

Business Information

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

Brooten Repair & Machine

4.5
(120 reviews)
Verified

Located a short drive away in Brooten, this shop has a strong reputation for handling heavy-duty and diesel-powered vehicles common in the agricultural and lake areas. They feature a well-equipped shop with technicians experienced in the demands of Duramax diesel engines and Allison transmissions, making them a go-to for more specialized GMC powertrain work.

405 SE 1st St, Brooten, MN 56316

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Benson Auto Center

4.8
(250 reviews)
Verified

A highly-rated, full-service automotive center in Benson, MN, serving a large regional customer base. They have invested in modern diagnostic equipment and technician training, allowing them to expertly address the complex electronic systems, luxury features in Denali trims, and advanced transmission systems found in newer GMC vehicles. They offer a comprehensive suite of services from oil changes to major overhauls.

1415 Montana Ave, Benson, MN 56215

Specialties & Features

Denali luxury features and electronics
Transmission repair (Allison
10-speed)
Towing package maintenance

Business Information

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

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

** The GMC repair market serving Marietta, Minnesota, is characterized by a reliance on trusted local and regional independent shops rather than brand-specific dealerships, with the nearest GMC dealerships being in larger cities like Willmar or Morris. The market is not highly saturated with competition directly in Marietta, but the surrounding area offers several quality options. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a tight-knit, rural community where trust is paramount. **Competition Level:** Moderate, with a few established players dominating the local and regional trust. Shops compete on reliability, specialized knowledge (especially for diesel and towing), and customer service rather than price alone. **Typical Pricing:** Pricing is generally competitive and fair, often lower than dealership rates. Labor rates are typical for rural Minnesota. For complex jobs like Duramax injector replacement or Allison transmission rebuilds, pricing is significant but in line with industry standards for the specialized work required. Customers are generally paying for expertise and longevity, not bargain-basement prices.

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 Marietta regulations and climate