The Best GMC Repair in Warner, SD

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

#1

Warner Auto & Ag

4.7
(85 reviews)
Verified

A cornerstone of the Warner community, this full-service shop combines local, personalized service with broad technical capabilities. They are well-regarded for handling everything from routine maintenance on daily drivers to complex diagnostics and repair on heavy-duty diesel trucks and agricultural equipment, making them a natural fit for GMC Sierra and Denali owners.

100 Main St, Warner, SD 57479

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Allison transmission service

Business Information

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

T&R Service Center

4.8
(120 reviews)
Verified

Located in the nearby regional center of Aberdeen, T&R has built a strong reputation for expert diagnostics and transmission work. Their technicians have specific training and experience with GM platforms, making them a go-to for complex electrical issues, transmission overhauls, and engine performance problems that smaller shops may not have the equipment to handle.

815 6th Ave SE, Aberdeen, SD 57401

Specialties & Features

Allison transmission repair
EcoTec engine diagnostics
Denali electronics

Business Information

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

Aberdeen Auto Center

4.6
(200 reviews)
Verified

As one of the larger independent shops in the region, Aberdeen Auto Center offers a comprehensive range of services with multiple ASE-certified technicians on staff. They are particularly noted for their work on 4WD systems and towing packages, performing alignments, brake controller installations, and suspension upgrades for trucks used for work and recreation.

1015 6th Ave SE, Aberdeen, SD 57401

Specialties & Features

4WD and towing system service
Towing package maintenance
Duramax service

Business Information

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

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

** The GMC repair market in the Warner, South Dakota area is characterized by a reliance on the larger service ecosystem in Aberdeen. Warner itself has a limited number of service providers, with **Warner Auto & Ag** being the primary local option, valued for its community integration and versatility with both automotive and agricultural machinery. The overall market quality is good, with several established, reputable shops in the region. Competition is healthy but not oversaturated, leading to reasonable wait times for non-emergency service. Pricing is generally competitive with national averages but may be slightly higher for specialized diesel or transmission work due to the required expertise and equipment. Customers in this rural area highly value durability, towing capability, and 4WD performance, and the top shops have adapted their service offerings accordingly. For the most complex issues, particularly with high-end Denali electronics, owners may still consider the factory-trained technicians at the GMC dealership in Aberdeen (Riddle's GM Auto Center), though the independent shops listed often provide comparable expertise at a lower cost.

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 Warner regulations and climate