The Best GMC Repair in Fulton, IL

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

#1

Kunes Auto Service - Fulton

4.6
(180 reviews)
Verified

As part of the larger Kunes Auto Group, this facility offers a high level of technical support and access to OEM (Original Equipment Manufacturer) parts and training. They are well-equipped to handle the full spectrum of GMC services, from routine EcoTec maintenance to complex Duramax and Allison diagnostics. Their connection to a dealership network provides a significant advantage for programming and diagnosing advanced Denali electronics.

1902 IL-84, Fulton, IL 61252

Specialties & Features

Duramax diesel service
Denali electronics programming
Allison transmission repair

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Fulton Automotive

4.8
(95 reviews)
Verified

A highly respected, locally-owned and operated shop known for its honest diagnostics and personalized service. They have built a strong reputation for tackling difficult problems that other shops may turn away. Their technicians have deep experience with GM platforms, making them a top choice for 4WD system service, suspension work, and towing package maintenance on Sierra and Canyon models.

1605 15th Ave, Fulton, IL 61252

Specialties & Features

4WD and towing system service
heavy-duty suspension
EcoTec engine diagnostics

Business Information

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

Morrison Diesel & Auto Repair

4.7
(130 reviews)
Verified

While located in the neighboring town of Morrison, this shop is a primary destination for Fulton residents with heavy-duty GMC needs. As the name implies, they are diesel engine specialists, focusing extensively on Duramax performance, maintenance, and repair. They are also experts in the supporting systems, including Allison transmissions and the enhanced cooling systems critical for towing.

1202 E Lincolnway, Morrison, IL 61270

Specialties & Features

Duramax diesel performance and repair
Allison transmission overhaul
towing package maintenance

Business Information

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

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

** The GMC repair market in Fulton, Illinois, is characterized by a few high-quality, established providers rather than a high volume of competitive shops. The market caters significantly to owners of heavy-duty trucks (Sierra 2500/3500) and towing vehicles, reflecting the region's agricultural and industrial base. As such, expertise in **Duramax diesel** and **Allison transmissions** is a critical differentiator and is offered by the top-tier shops. **Average Quality** is high, with the leading shops maintaining ratings well above 4.5 stars due to a focus on customer service and technical competence. **Competition Level** is moderate; while there aren't dozens of options, the existing shops are highly competent and compete on reputation and specialized service rather than price alone. **Typical Pricing** is in line with regional averages, with general maintenance being competitively priced, while specialized diesel and transmission work commands a premium due to the required expertise, diagnostic time, and cost of parts. Customers are generally willing to pay this premium for reliable, expert service on their high-value vehicles.

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 Fulton regulations and climate