The Best GMC Repair in Gregory, SD

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

#1

T & R Service Center

4.7
(95 reviews)
Verified

A highly reputable, long-standing full-service garage known for its expert diagnostics and ability to handle complex repairs on both domestic and import vehicles. They are a top choice for GMC owners in the region seeking reliable work on engines, transmissions, and general maintenance.

110 S Wisconsin Ave, Gregory, SD 57533

Specialties & Features

EcoTec engine diagnostics
Allison transmission repair
General mechanical service

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Gregory Auto Clinic

4.5
(70 reviews)
Verified

A well-established local shop providing comprehensive automotive repair services. They have a strong reputation for honest service and are equipped to handle a wide range of repairs, making them a dependable option for GMC owners for everything from routine maintenance to more significant powertrain issues.

906 S Main St, Gregory, SD 57533

Specialties & Features

Diesel engine service
Transmission repair
4WD system service

Business Information

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

Winner Auto & Diesel

4.6
(120 reviews)
Verified

Located approximately 25 miles from Gregory in Winner, this shop is a dedicated specialist for the heavy-duty and diesel needs that many GMC trucks require. They are the go-to provider in the region for complex Duramax diesel and Allison transmission work, as well as heavy-duty suspension and towing system service.

1001 E 4th St, Winner, SD 57580

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

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

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

The GMC repair market in Gregory, South Dakota, reflects its rural, agricultural setting. The local market is characterized by a small number of long-standing, reputable general repair shops rather than brand-specific dealerships. The two primary shops in Gregory (T & R Service Center and Gregory Auto Clinic) offer robust general mechanical expertise and are capable of handling most GMC service needs, particularly for gasoline engines like the EcoTec and standard transmission work. For specialized, heavy-duty requirements—especially concerning Duramax diesel engines, complex Allison transmission diagnostics, and advanced HD towing systems—residents often rely on the specialized expertise found in larger nearby towns like Winner. Competition is moderate locally but provides good coverage for most needs. Pricing is generally competitive and typical for rural South Dakota, often more affordable than dealerships in major cities, with a strong emphasis on personalized service and building long-term customer trust.

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 Gregory regulations and climate