Top 3 GMC Repair Shops in Buncombe

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

#1

Auffenberg Dealer Group - Marion

4.5
(280 reviews)
Verified

As the region's premier GMC dealership, their service department is the most direct and certified option for all GMC models, especially Denali trims and heavy-duty trucks. They have factory-trained technicians, direct access to OEM parts, and advanced diagnostic tools.

2700 West Deyoung St, Marion, IL 62959

Specialties & Features

Denali luxury features and electronics
Duramax diesel service
Allison transmission repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

B & H Automotive Service & Repair

4.8
(150 reviews)
Verified

A highly respected independent shop known for its expertise in complex drivetrain and engine work. They have built a strong reputation for honesty and technical proficiency, particularly with American trucks and SUVs, making them a top choice for GMC owners seeking an alternative to the dealership.

1907 N Court St, Marion, IL 62959

Specialties & Features

Diesel engine service (Duramax)
Transmission repair (Allison
10-speed)
4WD and towing system service

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Tuffy Tire & Auto Service Center of Carbondale

4.6
(90 reviews)
Verified

Part of a trusted national chain with a local presence, this location offers a strong blend of broad service capabilities and consistent processes. They are well-equipped for suspension work, general diagnostics (including EcoTec engines), and routine maintenance like towing package checks.

1205 E Main St, Carbondale, IL 62901

Specialties & Features

Heavy-duty truck suspension
EcoTec engine diagnostics
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 Buncombe

** The GMC repair market serving Buncombe, IL, is characterized by a need to travel to nearby commercial centers like Marion or Carbondale. The market is moderately competitive, with a clear tiered structure. The local GMC dealership (Auffenberg) represents the top tier for factory-specific expertise, luxury features, and warranty work, typically commanding premium pricing. The independent sector, represented by shops like B & H Automotive, offers highly specialized mechanical expertise often at a more competitive labor rate, appealing to owners of out-of-warranty trucks. National service centers like Tuffy provide a reliable, standardized option for general maintenance and common repairs. Overall, the quality of service available is high, with several providers capable of handling the complex systems on modern GMC trucks. Pricing is in line with regional averages, with dealership labor rates being the highest, followed by specialized independents, and then general service centers.

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 Buncombe regulations and climate