The Best GMC Repair in Mount Holly, VT

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

#1

Tim's Truck Shop

4.8
(180 reviews)
Verified

A highly reputable, family-owned shop renowned for its expertise in diesel performance and heavy-duty truck repair. They are the go-to specialists in the region for complex Duramax diagnostics, Allison transmission rebuilds, and suspension work on HD Sierra and Canyon models. Their technicians have deep, practical experience with the specific demands of Vermont's climate and driving conditions.

2217 US Route 7, Wallingford, VT 05773

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Green Mountain Diesel & 4x4

4.6
(120 reviews)
Verified

Specializes in the intersection of diesel power, 4WD systems, and towing. They are particularly skilled with the mechanical and electronic components of GMC's 4WD systems and towing packages, including brake controller calibration and trailer wiring diagnostics. They also handle routine and performance-oriented service for Duramax engines.

15 Green Mountain Dr, Rutland, VT 05701

Specialties & Features

Diesel engine service (Duramax)
4WD and towing system service
Towing package maintenance

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Twin State Performance & Auto

4.4
(90 reviews)
Verified

While not exclusively a truck shop, they have developed a strong reputation for advanced diagnostics on modern GMC vehicles, including the EcoTec3 gas engines and the complex electronics found in Denali trims. They are a solid choice for electrical issues, infotainment problems, and engine performance tuning beyond what a standard dealer might offer.

4 Paramount Dr, Rutland, VT 05701

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
General GMC service
maintenance

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top GMC Repair Auto Repair Shops in Mount Holly

** The GMC repair market serving Mount Holly, VT, is characterized by a reliance on regional specialists rather than in-town general mechanics. As a rural community with significant towing, farming, and recreational needs, the demand for competent diesel and 4WD service is high. The competitive landscape is moderate; while there are several general auto repair shops, the number of facilities with deep, proven expertise in Duramax, Allison, and advanced GMC electronics is limited to a handful of highly-regarded businesses in nearby Rutland and Wallingford. These top-tier specialists are typically in high demand, leading to longer wait times for non-emergency service compared to urban areas. Pricing is generally competitive for the region but is at a premium compared to standard repair shops, reflecting the specialized training, proprietary tools, and higher parts costs associated with HD truck and diesel service. Customers in this market highly value expertise, reliability, and the ability to solve complex problems over simple convenience, which is why they are willing to travel a short distance to the providers listed above.

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 Mount Holly regulations and climate