The Best GMC Repair in Hagarstown, IL

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

#1

Greenville Automotive & Diesel Service

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop known for its deep expertise in both gasoline and diesel powertrains. They are the go-to provider in the region for complex Duramax diagnostics and performance maintenance, and they have extensive experience with Allison transmissions and heavy-duty truck suspensions. Their technicians are continuously trained on the latest GM systems.

2025 S County Road, Greenville, IL 62246

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Centralia Truck & Auto Repair

4.5
(120 reviews)
Verified

With a strong local presence and a focus on both commercial fleets and personal vehicles, this shop handles the toughest jobs. They have specific diagnostic equipment for GM's EcoTec and Duramax engines and are well-versed in 4WD system service and towing package electrical diagnostics. They are known for honest assessments and durable repairs.

1205 E Broadway, Centralia, IL 62801

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
Duramax diesel service

Business Information

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

Carlyle Automotive Center

4.3
(90 reviews)
Verified

This established shop provides comprehensive service for a wide range of vehicles, with a noted specialization in GM trucks and SUVs. They are a reliable choice for routine maintenance and complex repairs on Allison transmissions, 4WD systems, and vehicle electronics, making them a solid option for Denali owners needing infotainment or electrical issue resolution.

1001 Franklin Street, Carlyle, IL 62231

Specialties & Features

Allison transmission repair
4WD diagnostics
Denali luxury features and electronics

Business Information

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

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

** The GMC repair market in the Hagarstown, IL area is characterized by a reliance on skilled independent shops in neighboring commercial hubs like Greenville, Centralia, and Carlyle. As a small village, Hagarstown itself does not host a dedicated GMC dealership or a specialist exclusively for GMC, making these surrounding providers essential. The average quality of service is high, with these long-standing businesses competing on expertise and personalized customer service rather than price alone. Competition is healthy but not oversaturated, ensuring shops maintain high standards to retain their reputations. Typical pricing is competitive for the rural Midwest, with general mechanical labor ranging from $95-$125/hour, while specialized diesel and transmission work commands a premium, often between $130-$160/hour. For major services like an Allison transmission overhaul or Duramax injector replacement, customers should expect estimates in the $3,000 - $7,000+ range, consistent with national averages for these complex systems.

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 Hagarstown regulations and climate