The Best GMC Repair in Wallingford, VT

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

#1

Green Mountain Diesel & 4x4

4.8
(180 reviews)
Verified

A highly specialized shop renowned for its expertise in diesel performance and repair. They are the go-to facility for complex Duramax diagnostics, performance tuning, and heavy-duty truck maintenance. Their technicians have deep knowledge of Allison transmissions and modern 4WD systems, making them ideal for owners of Sierra HD trucks and demanding towing applications.

12 Industrial Parkway, Rutland, VT 05701 (Approx. 10 minutes from Wallingford)

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing system service

Business Information

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

Piquette & Howard Garage

4.6
(220 reviews)
Verified

A long-standing, full-service garage with a stellar reputation for honest work and comprehensive diagnostics. They excel at servicing a wide range of GMC vehicles, from EcoTec3/4 engines in the Sierra 1500 to the sophisticated electronics and luxury features of the Denali trim. They are a trusted local name for suspension work and routine towing package maintenance.

101 Woodstock Avenue, Rutland, VT 05701 (Approx. 12 minutes from Wallingford)

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
heavy-duty truck suspension

Business Information

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

PFO Automotive

4.7
(150 reviews)
Verified

Known for their technical precision and customer-focused service, PFO Automotive is a top choice for complex electrical and transmission issues. They have specific expertise with GM's 10-speed automatic transmission and are adept at troubleshooting the integrated electronics in modern GMC trucks. They provide a dealership-alternative with master-level technician skills.

125 Quality Lane, Rutland, VT 05701 (Approx. 10 minutes from Wallingford)

Specialties & Features

Transmission repair (Allison
10-speed)
EcoTec engine diagnostics
towing package maintenance

Business Information

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

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

** The GMC repair market for Wallingford and its immediate vicinity is characterized by high-quality, independent shops rather than a high volume of competitors. There is no dedicated GMC dealership within Wallingford itself, which shifts the service demand to established independent garages in the larger Rutland area. The competition level is moderate but specialized; while many shops can perform basic maintenance, only a few possess the specific tooling, software, and technician certifications for advanced diesel, transmission, and electronic systems. The average quality of the top-tier providers is exceptionally high, as evidenced by their consistent 4.6+ star ratings and long-term community presence. These shops have built their reputations on tackling the complex issues that general mechanics often avoid. Typical pricing is competitive but reflects this expertise, generally operating at a premium to standard repair shops but at a significant discount versus dealership labor rates. Customers can expect to pay $120-$150 per hour for labor at these specialized facilities, with diagnostics typically being a separate, billable service.

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 Wallingford regulations and climate