Top 3 GMC Repair Shops in Carrier Mills

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

#1

Harrisburg Automotive & Diesel

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 diagnostics and heavy-duty truck repairs, earning consistent praise for their honest assessments and quality workmanship on GM trucks.

120 S Commercial St, Harrisburg, IL 62946

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Denny's Tire & Auto Service

4.5
(120 reviews)
Verified

Part of a well-established regional chain with a strong local presence. This location has certified technicians trained on GM vehicles. They offer a comprehensive range of services from basic maintenance to advanced repairs, with a particular strength in suspension, alignments, and drivetrain work crucial for trucks.

101 S Commercial St, Harrisburg, IL 62946

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

B & M Auto & Truck Repair

4.3
(90 reviews)
Verified

A trusted independent shop known for its personalized service and ability to handle a wide array of repairs. While they service all makes and models, they have developed a strong niche with local GM truck owners, particularly for transmission work and engine diagnostics. They are praised for their affordability and reliability.

200 N Jackson St, Harrisburg, IL 62946

Specialties & Features

Allison transmission repair
EcoTec engine diagnostics
General GMC maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Carrier Mills

** The GMC repair market servicing Carrier Mills, IL, is characterized by a reliance on the larger commercial center of Harrisburg, located approximately 7 miles away. There are no dedicated, exclusive GMC repair facilities within the Carrier Mills city limits itself. The market in this region is moderately competitive, with a handful of established, reputable shops in Harrisburg vying for the significant local ownership of GMC trucks, particularly Sierra and Denali models used for farming, hunting, and towing. **Average Quality:** The quality of service is generally high, with shops building their reputation on trust and long-term customer relationships, which are essential in a small-market environment. Technicians are typically ASE Certified, with several possessing GM-specific training. **Competition Level:** Moderate. While there are several options, the top-tier shops distinguished by diesel and transmission expertise are limited to 2-3 primary providers. Customers seeking dealer-level diagnostics for complex electronics (e.g., Denali features) may need to travel to the nearest GMC dealer in Marion, IL (approx. 30 miles). **Typical Pricing:** Labor rates are competitive and generally lower than dealership pricing, typically ranging from $95 - $125 per hour. Pricing for specialized services like Duramax injector replacement or Allison transmission overhaul is in line with national averages for independent shops but represents a significant investment due to the high cost of OEM-quality parts.

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 Carrier Mills regulations and climate