Top 3 GMC Repair Shops in Piedmont

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

#1

Stangtech Automotive & Diesel

4.8
(180 reviews)
Verified

Widely regarded as the premier independent shop for GM trucks in the region. Stangtech has built its reputation on deep technical knowledge, particularly in Duramax diesel performance and diagnostics. They are a go-to for complex electrical issues, transmission work, and heavy-duty suspension upgrades, serving a clientele that includes ranchers, tower, and performance enthusiasts.

2120 West Chicago Street, Rapid City, SD 57702

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Graham Automotive

4.7
(250 reviews)
Verified

A well-established, family-owned shop known for its honesty and high-quality workmanship. While they service all makes and models, they have specific technicians with advanced expertise in GM vehicles. They excel in EcoTec engine diagnostics, general service, and transmission services, making them an excellent choice for Sierra 1500s, Acadias, and Terrain models.

1602 E North Street, Rapid City, SD 57701

Specialties & Features

EcoTec engine diagnostics
Transmission repair
General GMC service
maintenance

Business Information

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

L & M Tire & Service

4.6
(90 reviews)
Verified

Located in the neighboring town of Sturgis, L & M is a highly reputable option for Piedmont residents, especially for mechanical and drivetrain services. They have strong capabilities in 4WD system service, towing package maintenance, and suspension work. They are known for being a practical, no-nonsense shop that can handle the demands of work trucks and daily drivers alike.

1220 Junction Avenue, Sturgis, SD 57785

Specialties & Features

4WD and towing system service
Towing package maintenance
Tire and suspension service

Business Information

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

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

** The GMC repair market for Piedmont residents is effectively an extension of the Rapid City automotive landscape. Piedmont itself lacks specialized independent GMC shops, creating a reliance on the broader Pennington County market. Competition is strong in Rapid City, leading to a high average quality of service as shops compete on reputation and technical capability. The presence of a major GMC dealership (Lithia GM of Rapid City) sets a benchmark, but the top independent specialists like those listed compete effectively by offering more personalized service, often at a lower labor rate, with comparable or superior expertise for specific systems like diesel and performance suspension. Typical pricing is competitive for the region, with general maintenance starting in the $100-$150/hour labor range, while specialized diesel or transmission diagnostics and repair command a premium. Customers have a clear choice between the convenience of a dealership for warranty work and the targeted expertise of independents for older models, performance modifications, or complex diagnostics.

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 Piedmont regulations and climate