The Best GMC Repair in Waynesville, IL

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

#1

J&L Diesel & Auto Repair

4.7
(180 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel performance and diagnostics. They are the go-to specialists in the region for complex Duramax engine work, from routine maintenance to major repairs and performance tuning. Their technicians are also proficient with Allison transmissions and modern GMC electronics.

1604 W. Main St, Clinton, IL 61727 (Approx. 15 miles from Waynesville)

Specialties & Features

Duramax diesel service
Allison transmission repair
Diesel performance tuning

Business Information

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

Clinton Auto & Truck Repair

4.5
(110 reviews)
Verified

A well-established, full-service shop with a strong reputation for honesty and quality work on both light and heavy-duty vehicles. They have specific experience with GMC/Chevy truck systems, including 4WD service, suspension work on HD models, and towing package maintenance and repairs.

101 N. Center St, Clinton, IL 61727 (Approx. 15 miles from Waynesville)

Specialties & Features

4WD and towing system service
Heavy-duty truck suspension
General GMC diagnostics

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Heyworth Repair Service

4.4
(90 reviews)
Verified

Located conveniently for Waynesville residents traveling towards Bloomington-Normal, this shop provides reliable general and advanced automotive repair. They have certified technicians capable of handling EcoTec engine diagnostics, transmission services, and electronic issues found in Denali trims. They are known for their personalized service and are a trusted local option.

205 E. Main St, Heyworth, IL 61745 (Approx. 12 miles from Waynesville)

Specialties & Features

EcoTec engine diagnostics
General transmission service
Electrical system repair

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

The GMC repair market for residents of Waynesville, IL, is entirely dependent on service providers in neighboring towns such as Clinton and Heyworth. There are no dedicated GMC or diesel specialty shops within the village itself. The competition level in the immediate region is moderate, with a handful of reputable, long-standing shops dominating the market. These providers have built their reputation on serving the agricultural and commuter communities of central Illinois, giving them direct experience with the trucks and SUVs common to the area. Typical pricing is competitive with non-dealer rates in the Midwest. For specialized diesel or transmission work, expect labor rates in the $120-$150/hour range. The overall quality of service is generally high, as these smaller shops rely heavily on word-of-mouth and long-term customer relationships. For the most complex electronic or luxury feature issues on Denali models, residents may need to travel to the dealerships in Bloomington or Decatur, but the providers listed are fully capable of handling the vast majority of repair and maintenance 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 Waynesville regulations and climate