The Best GMC Repair in New Boston, IL

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

#1

S & S Service Center

4.7
(110 reviews)
Verified

A long-standing, family-owned full-service garage known for its deep roots in the community and expertise with American-made trucks and SUVs. They are highly regarded for their honest diagnostics, quality workmanship, and ability to handle everything from routine maintenance on Denalis to complex diesel and transmission issues.

202 S Main St, New Boston, IL 61272

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Keithsburg Auto & Truck Repair

4.6
(85 reviews)
Verified

Located just across the river, this shop is a go-to for heavy-duty and diesel truck repairs. They have a strong reputation for tackling tough jobs that other shops turn away, with specific expertise in the powertrain and drivetrain systems common to GMC Sierra HD and Yukon XL models.

401 4th St, Keithsburg, IL 61442

Specialties & Features

Diesel engine service (Duramax)
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

Aledo Automotive & Diesel

4.8
(150 reviews)
Verified

A well-equipped and highly-certified shop in the larger nearby community of Aledo. They are a top-tier choice for complex electrical diagnostics, luxury feature repair on Denali trims, and advanced transmission work. Their investment in modern scan tools and technician training makes them a premium option for newer-model GMCs.

1040 US-67, Aledo, IL 61231

Specialties & Features

Denali luxury features and electronics
Allison
10-speed transmission repair
Towing package maintenance

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in New Boston

** The GMC repair market in the New Boston, IL area is characterized by a reliance on established, local, and regional independent shops rather than large dealership networks. The closest GMC dealerships are a significant drive away, which has fostered a strong ecosystem of competent independent garages. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a tight-knit community. Competition is moderate but specialized; shops tend to develop reputations for specific areas of expertise (e.g., one for diesel, another for transmissions). Pricing is typically 20-30% lower than dealership rates, with labor hours ranging from $95-$130/hour depending on the shop's specialization and overhead. For New Boston residents, the combination of local option **S & S Service Center** and the short drive to specialized providers in Keithsburg and Aledo provides a robust and high-quality service network for all GMC repair 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 New Boston regulations and climate