Top 3 GMC Repair Shops in Whittington

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

#1

Whittington Auto & Truck Repair

4.7
(110 reviews)
Verified

A local, family-owned shop that is the most direct service provider within Whittington itself. They have built a strong reputation for honest diagnostics and reliable work on domestic trucks, with specific expertise in GM products. They are known for their personalized service and deep roots in the community.

12425 Old Hwy 37, Whittington, IL 62897

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

B & H Diesel & Auto Repair

4.8
(240 reviews)
Verified

Located a short drive away in Mt. Vernon, B & H is a highly regarded specialist specifically for diesel performance and repair. Their technicians have advanced training on Duramax engines and Allison transmissions. They are a top-tier choice for complex diagnostics, performance upgrades, and heavy-duty towing system repairs.

12053 N Illini Dr, Mt. Vernon, IL 62864

Specialties & Features

Duramax diesel service
Allison transmission repair
Towing package maintenance

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

All-Tran Transmission & Auto Care

4.6
(180 reviews)
Verified

Based in Benton, this shop offers a critical specialization that complements the others. As the name implies, they are transmission experts, particularly with the Allison series, but also service the newer GM 10-speeds. They provide comprehensive service for the entire drivetrain, including 4WD systems and engine diagnostics, making them a excellent one-stop shop for complex drivability issues.

601 N Main St, Benton, IL 62812

Specialties & Features

Allison transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

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

** The GMC repair market servicing Whittington, IL is characterized by a reliance on nearby commercial centers, primarily Mt. Vernon and Benton. The competition level is moderate but specialized. While there are many general mechanics, shops with specific, proven expertise in Duramax diesel, Allison transmissions, and advanced electronics are fewer and highly sought after. The average quality of service is high among the specialized providers, as they compete on technical capability and reputation rather than price alone. Typical pricing is in line with regional averages for specialized work; diesel and transmission services command a premium, with diagnostic fees ranging from $125-$175 and labor rates between $110-$150 per hour. For luxury features and complex electronics on Denali models, residents may still find a need to visit the official GMC dealership in Mt. Vernon for certain proprietary software and programming, but the independent specialists listed are fully capable of handling the vast majority of mechanical, drivetrain, and suspension 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 Whittington regulations and climate