Top 3 GMC Repair Shops in Union Center

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

#1

Certified Auto Specialists

4.8
(240 reviews)
Verified

A highly regarded, family-owned shop known for its advanced diagnostics and expertise with modern GM powertrains. They are a preferred shop for local ranchers and heavy-duty truck owners, offering comprehensive service from routine maintenance to major engine and transmission overhauls.

2216 West Main Street, Rapid City, SD 57702

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension upgrades

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

L & M Transmission & Auto Repair

4.7
(180 reviews)
Verified

While the name emphasizes transmissions, this shop has built a stellar reputation for being a one-stop solution for complex GMC issues. Their technicians have deep expertise with the 10-speed and Allison transmissions, and they are equally proficient in 4WD systems and diesel performance.

1602 East North Street, Rapid City, SD 57701

Specialties & Features

Allison transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Tires Plus of Rapid City

4.6
(290 reviews)
Verified

As part of a national network with high standards, this location provides reliable, factory-trained service for a wide range of GMC models, including Denali trims. They excel at electronic diagnostics, routine towing package maintenance, and offer the convenience of extended hours and a large service bay capacity.

1401 E North Street, Rapid City, SD 57701

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
General GMC service and maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Union Center

** The GMC repair market serving Union Center, SD, is effectively centered in Rapid City. Given the agricultural and rugged-use nature of the region, expertise in diesel engines, heavy-duty suspensions, and 4WD systems is a competitive necessity for reputable shops. The market is not saturated with a high number of specialists, but the quality of the top-tier providers is exceptionally high. These shops compete on technical knowledge and reputation rather than price, leading to a service landscape where you pay a premium for proven expertise. Typical labor rates are in the $125-$150/hour range for these specialist shops, which is competitive for the region and the complexity of the services rendered. For residents of Union Center, building a relationship with one of these Rapid City specialists is essential for maintaining the complex systems in modern GMC trucks and SUVs.

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 Union Center regulations and climate