The Best GMC Repair in Post Mills, VT

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

#1

Thetford Automotive

4.7
(180 reviews)
Verified

A highly reputable, family-owned shop located just minutes from Post Mills. They are known for their honest diagnostics and ability to handle complex repairs on both domestic and import vehicles, with a strong focus on GM products. Their technicians have deep experience with diesel engines and modern electronic systems.

3226 US-5, Thetford Center, VT 05075

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

Twin State Truck & Auto

4.5
(95 reviews)
Verified

Located in West Lebanon, NH, this shop is a go-to for heavy-duty truck and SUV service. They have a dedicated following for their work on suspension systems, 4WD, and towing components. Their expertise makes them an excellent choice for GMC Sierra HD and Yukon XL owners.

2 Miletus St, West Lebanon, NH 03784

Specialties & Features

Heavy-duty truck suspension
4WD and towing system service
towing package maintenance

Business Information

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

Pico Diesel & Auto

4.8
(120 reviews)
Verified

While a short drive into New York state, Pico Diesel is a premier specialist for Duramax and heavy-duty GM service. Their name reflects their core competency, and they are equipped with the latest diagnostic tools for modern diesel engines and complex vehicle electronics, including those found in Denali trim levels.

3219 Main St, Ticonderoga, NY 12883

Specialties & Features

Duramax diesel service
Denali luxury features and electronics
transmission service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Post Mills

** The GMC repair market in the immediate Post Mills area is characterized by a few highly capable local independent shops, supplemented by several excellent specialists within a 20-30 mile radius. Due to the rural nature of Vermont and the prevalence of trucks and SUVs for work and recreation, the quality of service for GMC vehicles is generally high. Competition is moderate but concentrated among a handful of trusted, long-standing businesses. Customers are not limited to the local GMC dealership (which would be in Williston or Berlin), allowing for competitive pricing. Typical labor rates in this region range from $110-$150 per hour. Shops that specialize in diesel service and heavy-duty repairs typically command the higher end of this range, reflecting the advanced training and equipment required. The market rewards reputation and word-of-mouth, and the top providers have built their clientele over many years through consistent, reliable service. For the specific specialties requested—particularly Duramax and Allison systems—owners are often willing to travel to the recognized experts in the wider Tri-State area (VT, NH, NY).

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 Post Mills regulations and climate