Top 3 GMC Repair Shops in Boles

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

#1

M & M Service Center

4.7
(180 reviews)
Verified

A long-standing, family-owned and operated service center known for its deep technical expertise and honest service. They have built a strong reputation for handling complex diagnostics and repairs on modern GM trucks, including diesel and transmission work. Their technicians are highly trained and they invest in modern diagnostic equipment.

1200 E. Main St, Nashville, IL 62263

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:35 years
Licensed:Yes
Insured:Yes
#2

Integrity Automotive & Diesel

4.8
(95 reviews)
Verified

A highly specialized shop focused specifically on diesel performance and repair, with a clear emphasis on GM Duramax engines. They are the preferred choice for owners needing significant power train work, performance upgrades, or complex electronic diagnostics. Their reputation for quality and technical depth is exceptional.

120 N. Kaskaskia St, Nashville, IL 62263

Specialties & Features

Duramax diesel service
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

GM Certified Service at Suntrup Chevrolet

4.5
(250 reviews)
Verified

As the official GM dealership for the region, this service department offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. This is the premier location for warranty work, complex electronics, and luxury feature repair on Denali models.

1275 N. Illinois St, Swansea, IL 62226

Specialties & Features

Denali luxury features and electronics
Allison transmission repair
GM factory warranty service

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes

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

The GMC repair market for residents of Boles, IL, is characterized by a need to travel to nearby towns, primarily Nashville (the county seat, ~7 miles away) or further to Swansea for dealership-level service. The market is not saturated with a high number of competitors, but the existing providers are established, high-quality, and have strong local reputations. Competition is based on reputation, specialized expertise, and long-term community trust rather than price. Pricing is generally in line with regional averages, with dealership labor rates being the highest, followed by specialized diesel shops, and then long-standing general service centers. For the specific services requested—especially Duramax and Allison work—the available shops are well-equipped and experienced, ensuring that Boles-area GMC owners have access to top-tier repair options within a reasonable distance.

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 Boles regulations and climate