The Best GMC Repair in Buffalo, MN

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

#1

GMC of Buffalo

4.3
(180 reviews)
Verified

As the primary GMC dealership in the city, this is the factory-authorized specialist. Their technicians receive direct training from GM and have exclusive access to the latest technical service bulletins, diagnostic software, and genuine GM parts. They are the go-to for complex electronic issues, warranty work, and factory-recalled components.

1201 Hwy 25 N, Buffalo, MN 55313

Specialties & Features

Denali electronics
programming
Factory towing package maintenance
Duramax diesel service

Business Information

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

J & M Transmission & Auto Service

4.8
(250 reviews)
Verified

A highly reputable, family-owned shop in nearby Monticello with a stellar reputation for transmission work, which is a critical specialty for GMC trucks. They are experts in the Allison transmission series and newer GM 10-speeds. Their positive reviews frequently highlight their honesty, expertise with heavy-duty trucks, and ability to handle complex drivetrain and 4WD issues that general shops avoid.

201 W River St, Monticello, MN 55362

Specialties & Features

Allison transmission repair
4WD system service
Heavy-duty truck suspension

Business Information

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

Monticello Auto & Truck Repair

4.7
(190 reviews)
Verified

Another top-tier independent shop located in Monticello, known for its expertise in both diesel and gasoline engine diagnostics and repair. They have the advanced diagnostic equipment necessary for modern EcoTec and Duramax engines. They are frequently recommended for their work on truck towing systems and suspension upgrades, positioning them as a strong alternative to the dealership for mechanical and engine-specific work.

200 W 7th St, Monticello, MN 55362

Specialties & Features

EcoTec engine diagnostics
Duramax diesel service
Towing system maintenance

Business Information

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

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

** The GMC repair market in Buffalo, MN, is characterized by a strong reliance on heavy-duty and luxury truck services due to the area's geographic and economic profile. The quality of service is generally high, with the dealership (**GMC of Buffalo**) setting the benchmark for OEM-specific repairs, particularly for electronics and complex module programming. However, the competitive landscape is defined by highly specialized independent shops in neighboring Monticello (like **J & M Transmission** and **Monticello Auto & Truck Repair**), which have carved out dominant reputations for specific mechanical systems like transmissions and diesel engines. These independents often compete effectively on personalized service, depth of mechanical expertise, and potentially lower labor rates for non-warranty work. Pricing follows a tiered structure: dealership labor rates are typically the highest, reflecting factory training and overhead, while the top independents command premium (but slightly lower) rates due to their specialized expertise. General repair shops in the area are capable of basic maintenance but lack the specific tooling and deep experience for the complex systems outlined in this request. For a GMC owner, the choice often comes down to the nature of the repair: dealership for electronics and warranty, and specialized independents for powertrain, drivetrain, and suspension work.

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 Buffalo regulations and climate