Top 3 GMC Repair Shops in Mount Sterling

Compare the highest-rated gmc repair mechanics in Mount Sterling, Illinois. All shops are licensed, insured, and verified through our rigorous screening process.

#1

T&K Auto & Diesel

4.8
(180 reviews)
Verified

A highly reputable local shop known for its deep expertise in diesel engines and complex drivetrain systems. They are a family-owned business with a strong focus on customer service and are frequently recommended for heavy-duty GM trucks, including Duramax diagnostics and Allison transmission service. They handle everything from routine maintenance to major overhauls.

1010 N Capitol Ave, Mount Sterling, IL 62353

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Mount Sterling Tire & Auto Service

4.6
(120 reviews)
Verified

A well-established, full-service auto center that serves as a primary service provider for many local GMC owners. They have multiple ASE-certified technicians and have built a strong reputation for electrical diagnostics and transmission work. They are a reliable choice for EcoTec engine service, 4WD system maintenance, and towing package inspections.

701 W Washington St, Mount Sterling, IL 62353

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
Transmission repair

Business Information

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

Rowe Service Center

4.5
(90 reviews)
Verified

A trusted local mechanic shop known for its honest diagnostics and quality workmanship. While they service all makes and models, they have specific expertise with GM vehicles, including the electronic and comfort systems found in Denali trims. They are a go-to for residents seeking personalized service for both light-duty and heavy-duty GMC trucks.

301 S Magie St, Mount Sterling, IL 62353

Specialties & Features

Denali luxury features and electronics
General GMC diagnostics
Towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Mount Sterling

The GMC repair market in Mount Sterling is characteristic of a rural Midwest county seat. The competition is moderate, with a handful of long-standing, independent shops dominating the landscape rather than national chains. The average quality of service is high, as these businesses rely heavily on local reputation and word-of-mouth. Due to the agricultural and towing needs of the region, expertise in diesel and heavy-duty systems is a significant advantage for shops like T&K Auto & Diesel. Pricing is generally competitive and often more affordable than dealerships in larger cities like Quincy or Springfield, with typical labor rates ranging from $95 - $130 per hour. For highly specialized services (e.g., Duramax injector replacement or Allison transmission rebuilds), customers may still consider the dealership in Springfield, but the local providers offer a compelling combination of expertise, convenience, and personalized service for the vast majority of GMC repair needs.

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 Mount Sterling regulations and climate