Top 3 GMC Repair Shops in Davis Junction

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

#1

Davis Junction Auto & Truck Repair

4.7
(180 reviews)
Verified

A well-established, family-owned shop known for its deep roots in the local community. They have built a strong reputation for handling both light-duty and heavy-duty GM trucks and SUVs. Their technicians are highly experienced with the full range of GMC systems, from routine maintenance on Sierra models to complex diagnostics on Denali electronic features.

105 E Hwy 72, Davis Junction, IL 61020

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Byron Tire & Auto Service

4.8
(250 reviews)
Verified

Located just a short drive from Davis Junction in Byron, this facility is renowned for its advanced diagnostic equipment and ASE Master Certified technicians. They are a go-to for complex electrical issues and transmission work. They specifically advertise expertise with GM's 10-speed transmission and Duramax engines, making them a prime choice for newer model GMCs.

200 N Walnut St, Byron, IL 61010

Specialties & Features

Allison
10-speed transmission repair
EcoTec engine diagnostics
Denali luxury features and electronics

Business Information

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

M & M Auto & Diesel Repair

4.6
(140 reviews)
Verified

A specialist shop in Rockford with a clear focus on diesel performance and towing systems. They are frequently recommended by local truck owners for their work on Duramax-powered vehicles, including performance tuning and emissions system repair. Their expertise in 4WD systems and towing package maintenance is specifically highlighted in customer reviews.

4529 E State St, Rockford, IL 61108

Specialties & Features

Duramax diesel service
4WD and towing system service
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 Davis Junction

** The GMC repair market in Davis Junction itself is characterized by a small number of highly capable, independent shops that thrive on reputation and deep community ties. The quality of service is generally high, as these businesses rely on word-of-mouth and long-term customer relationships. Due to the rural and agricultural nature of the area, expertise in diesel engines and heavy-duty truck systems is a common and essential strength. Competition is moderate but specialized. While there are several general repair shops, only a few possess the specific certifications, proprietary tooling, and repeated experience with complex GMC systems like the Allison transmission and Duramax engine. For this reason, residents of Davis Junction often consider the slightly broader geographic area, including Byron and Rockford, which offers a greater density of specialized providers. Typical pricing is competitive with national averages but can be slightly lower than dealership rates. For complex diesel or transmission work, labor rates are in the $120-$150/hour range. The local market favors shops that offer transparent diagnostics and fair pricing, as the customer base is knowledgeable about their trucks' 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 Davis Junction regulations and climate