Top 3 GMC Repair Shops in Tennessee

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

#1

S & S Diesel & Auto Repair

4.8
(184 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel performance and repair, particularly Duramax engines. They are a go-to for complex diagnostics, transmission work, and performance upgrades for heavy-duty trucks. Their reputation is built on technical proficiency and honest service.

1823 S Main St, Peoria, IL 61602

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

A-1 Diesel & Auto Service

4.6
(217 reviews)
Verified

A long-standing, trusted provider in Central Illinois with a strong focus on diesel and transmission services. They service a large fleet of commercial and consumer trucks and are well-versed in the full spectrum of GMC repair, from EcoTec engines to towing system maintenance.

2805 W Lake Ave, Peoria, IL 61615

Specialties & Features

Allison transmission repair
Diesel engine service
Towing package maintenance

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

German Auto & Truck Service

4.7
(89 reviews)
Verified

While the name suggests a European focus, this shop has built an excellent reputation for handling complex domestic truck and SUV repairs, including advanced electronics and diagnostics on GMC Denali models. They are known for tackling problems that other shops cannot diagnose.

2928 S Dirksen Pkwy, Springfield, IL 62703

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
4WD and towing system service

Business Information

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

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

** The GMC repair market for residents of Tennessee, Illinois, is characterized by a reliance on regional service centers in larger cities like Peoria (approx. 30-40 minutes west) and Springfield (approx. 60-70 minutes south). There are no dedicated GMC specialists within Tennessee itself, with local options typically being general automotive repair shops that may not possess the specialized tools or certifications for complex Duramax, Allison, or Denali systems. The competition among the top-tier regional specialists is strong, driven by the high concentration of agricultural and commercial truck traffic in Central Illinois. This results in a market with several high-quality, experienced shops, but consumers must be willing to travel for this level of expertise. Typical pricing is competitive with national averages, with premium labor rates reflecting the advanced technical skills required. For major services like transmission overhaul or diesel injector replacement, customers should expect investments in the $2,000 - $6,000+ range, commensurate with the complexity of the repair.

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 Tennessee regulations and climate