Top 3 GMC Repair Shops in Spencer

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

#1

R & R Automotive & Diesel

4.8
(180 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both domestic gasoline and diesel engines. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in the trucks that local agriculture and tradespeople depend on, including heavy-duty GMC Sierras.

1300 S Burr St, Mitchell, SD 57301

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

T & S Auto Repair

4.7
(120 reviews)
Verified

Known for their technical proficiency and modern diagnostic equipment, T & S Auto Repair is a go-to for complex electrical and engine management issues. They service a wide range of vehicles but receive consistent praise for their work on GM trucks, including engine diagnostics and transmission services.

1200 E 3rd Ave, Mitchell, SD 57301

Specialties & Features

EcoTec engine diagnostics
transmission repair
4WD and towing system service

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Main Auto & Tire

4.6
(90 reviews)
Verified

While offering full automotive services including tires, Main Auto has mechanics with specific expertise in General Motors platforms. They are a reliable choice for routine maintenance, suspension work, and electrical systems, making them a good fit for Denali owners needing feature repairs and towing package upkeep.

1200 N Main St, Mitchell, SD 57301

Specialties & Features

Denali luxury features and electronics
towing package maintenance
general GMC service

Business Information

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

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

** The GMC repair market in the Spencer, South Dakota area is characterized by high-quality, independent shops rather than a high volume of options. Due to Spencer's small size, residents typically rely on the robust automotive service industry in Mitchell, located approximately 25 miles away. The competition among top shops in Mitchell is strong, driven by a need to service the region's significant population of agricultural and work trucks, many of which are GMC Sierras and heavy-duty models. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a close-knit community. Shops are generally well-equipped to handle the core specialties requested, particularly Duramax and Allison services, given their prevalence in the local vehicle fleet. Pricing is competitive but reflects the specialized knowledge and equipment required for modern GMC trucks; expect fair market rates for complex diagnostics and repairs, often lower than dealership costs but with a more personalized service approach. For highly specific Denali electronic issues, the broader Mitchell market provides capable technicians, though extremely niche problems may still require a dealership visit to a larger city like Sioux Falls.

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 Spencer regulations and climate