The Best GMC Repair in Keene, NH

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

#1

Stadium GMC Chevrolet

4.3
(284 reviews)
Verified

As the only authorized GMC dealership in the immediate area, Stadium is the default choice for factory-trained technicians, genuine GM parts, and complex warranty or electronic issues. Their service department is equipped with the latest GM diagnostic tools and software, making them particularly strong for Denali electronics, new-generation EcoTec and Duramax engines, and advanced towing system programming.

551 Winchester St, Keene, NH 03431

Specialties & Features

Denali electronics programming
Duramax diesel service
Factory towing package maintenance

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#2

Monadnock Automotive & Truck Service

4.8
(167 reviews)
Verified

A highly-rated independent shop with a strong reputation for honesty and expertise, especially with American trucks and SUVs. They have invested in advanced diagnostic equipment and have technicians with specific experience in GM platforms. They are a go-to for mechanical repairs like transmission service, 4WD system maintenance, and suspension work, often at a more competitive labor rate than the dealership.

284 Base Hill Rd, Keene, NH 03431

Specialties & Features

Allison transmission repair
4WD system service
Heavy-duty truck suspension

Business Information

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

Keene Truck & Auto Service

4.5
(89 reviews)
Verified

This shop has built a solid local reputation for handling both light-duty and heavy-duty vehicle repairs. They are known for their practical, problem-solving approach and are a reliable alternative for GMC owners, particularly for drivetrain and engine diagnostics. They service a significant number of local work trucks, indicating familiarity with the demands placed on GMC Sierra and Canyon models.

122 Water St, Keene, NH 03431

Specialties & Features

EcoTec engine diagnostics
General drivetrain service
Towing system inspection
repair

Business Information

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

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

The GMC repair market in Keene, NH, is characterized by moderate competition with one dominant dealership and several competent independent shops. The overall quality of service is considered good to very good, with shops generally being well-regarded by the local community. **Stadium GMC Chevrolet** holds a near-monopoly on factory-direct services, software updates, and warranty work, which allows them to command premium pricing. The independent shops, like **Monadnock Automotive** and **Keene Truck & Auto**, compete effectively on price for mechanical repairs (e.g., suspension, standard transmission service, brake work) and often build stronger loyalty through personalized service. For highly specialized work on newer models—particularly Duramax emissions systems or Denali infotainment issues—the dealership is often the necessary choice. However, for routine maintenance, older models, or straightforward mechanical repairs, the independents provide excellent value and quality. Typical labor rates range from **$125-$170/hour**, with the dealership at the top end of that spectrum.

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 Keene regulations and climate