The Best GMC Repair in Sandwich, IL

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

#1

A-1 Auto & Truck Repair

4.8
(180 reviews)
Verified

A-1 Auto is a cornerstone of the local automotive community, renowned for its deep expertise in domestic trucks and SUVs. They are a family-owned business known for honest diagnostics, high-quality workmanship, and specializing in the complex systems found in modern GMC vehicles, from the Sierra 1500 to the heavy-duty 3500 series.

1625 Peace Rd, Sycamore, IL 60178

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

DeKalb County Truck & Auto

4.7
(120 reviews)
Verified

This shop has built a strong reputation specifically on truck and SUV service. They are equipped with advanced diagnostic tools to handle everything from EcoTec engine computer issues to the intricate electronics in GMC Denali models. Their technicians have direct training and experience with GM powertrains.

1056 S. 4th St, DeKalb, IL 60115

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

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

Tuffy Tire & Auto Service Center

4.5
(90 reviews)
Verified

As part of a nationally recognized brand, Tuffy in DeKalb brings consistent processes, strong warranties, and a high level of technical support. They are a reliable choice for comprehensive GMC maintenance and repair, offering services from routine fluid services on 10-speed transmissions to 4WD system diagnostics and suspension work.

1326 S. 4th St, DeKalb, IL 60115

Specialties & Features

Transmission repair (Allison
10-speed)
4WD system service
General GMC maintenance

Business Information

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

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

** The GMC repair market serving Sandwich, IL, is characterized by a few high-quality, independent specialists in the surrounding DeKalb County area, rather than a high volume of options within the city limits itself. The competition level is moderate but specialized; while there are several general auto repair shops, only a handful possess the specific tooling, software, and technician expertise required for complex GMC systems like Duramax diesel and Allison transmissions. The average quality of these top-tier providers is very high, as evidenced by their strong reputations and longevity. Typical pricing is competitive with dealerships but generally offers better value, with labor rates in the $120-$150/hour range for this level of expertise. Residents of Sandwich are well-served by these nearby specialists, who represent the best blend of local trust and technical proficiency.

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 Sandwich regulations and climate