Top 3 GMC Repair Shops in Stephan

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

#1

L&H Auto Clinic

4.8
(180 reviews)
Verified

A family-owned and operated shop renowned for its deep expertise in diesel engine performance and complex transmission repairs. They are the go-to specialists in the region for Duramax and Allison systems, with a reputation for honest diagnostics and quality workmanship on heavy-duty trucks and SUVs.

1201 S Kimball St, Corsica, SD 57328 (Approx. 15 miles from Stephan)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Bunkers GM Service Center

4.6
(250 reviews)
Verified

As an official GM dealership service center, this is the premier destination for factory-trained technicians, genuine GM parts, and the latest diagnostic software. They are best equipped to handle warranty work, complex electronics, and luxury features on Denali models, ensuring repairs meet original specifications.

1200 W Havens Ave, Mitchell, SD 57301 (Approx. 25 miles from Stephan)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#3

M & R Repair

4.7
(90 reviews)
Verified

A highly respected independent mechanic shop known for its practical expertise and reliable service on American-made trucks. They excel in general mechanical repairs, 4WD system service, and towing system maintenance, offering a more personalized and often more cost-effective alternative to the dealership.

405 N Dakota Ave, Corsica, SD 57328 (Approx. 15 miles from Stephan)

Specialties & Features

4WD and towing system service
General GMC maintenance
Engine diagnostics

Business Information

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

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

** The GMC repair market serving Stephan, SD, is characterized by its reliance on nearby towns, primarily Corsica and Mitchell, for specialized services. Due to the rural and agricultural nature of the region, expertise in diesel engines (Duramax), heavy-duty suspensions, and towing systems is a common and essential strength among the top providers. The level of competition is moderate but specialized; while there are several general mechanics, only a handful have the specific tooling, software, and certified expertise for complex GMC repairs. **Average Quality** is high, as shops build their reputation on word-of-mouth and long-term community trust. **Pricing** is tiered: independent shops like L&H Auto Clinic and M & R Repair typically offer more competitive labor rates, while the dealership (Bunkers GM) commands a premium for OEM parts and factory-certified technicians. For Stephan residents, the choice often comes down to the specific repair need—dealership for warranty and electronics, independents for powertrain and mechanical work—and a willingness to travel a short distance for quality service.

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 Stephan regulations and climate