Top 3 GMC Repair Shops in Guernsey

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

#1

Guernsey Automotive & Diesel

4.6
(85 reviews)
Verified

A well-established, full-service shop known for its deep roots in the community. They are the go-to local provider for a wide range of repairs, from routine maintenance on passenger vehicles to more complex diagnostics and repair work on diesel engines and heavy-duty truck systems. Their technicians have extensive experience with domestic brands like GMC.

321 W Whalen St, Guernsey, WY 82214

Specialties & Features

Diesel engine service
Heavy-duty suspension
General diagnostics and repair

Business Information

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

Cornwell's Garage & Diesel Service

4.8
(120 reviews)
Verified

Located just south of Guernsey, Cornwell's has built an exceptional reputation specifically for diesel and heavy-duty truck service. They are frequently recommended for their expertise with Duramax engines and Allison transmissions, and they are known to service the agricultural and ranching communities, indicating proficiency with towing and 4WD systems.

20887 US-85, Torrington, WY 82240

Specialties & Features

Duramax diesel service
Allison transmission repair
Towing system maintenance

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

B&C Tire & Auto Service

4.5
(150 reviews)
Verified

As a larger, well-equipped service center in Torrington, B&C Tire offers comprehensive automotive care. While not exclusively a GMC specialist, they have multiple ASE-certified technicians capable of handling a broad spectrum of GMC needs, from EcoTec engine diagnostics in smaller models to suspension work and electronic issues on Denali trims. They are a trusted name for one-stop service.

1943 Main St, Torrington, WY 82240

Specialties & Features

EcoTec engine diagnostics
Suspension and tire service
General auto repair and maintenance

Business Information

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

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

** The GMC repair market in Guernsey, Wyoming, is characteristic of a small, rural community. There are no dedicated GMC or GM dealerships within the town itself. The market consists primarily of independent, multi-brand repair shops whose strength lies in their broad, practical experience with the domestic trucks and SUVs that are prevalent in the region. **Average Quality:** The quality of service is generally high, as these businesses survive on reputation and word-of-mouth within a tight-knit community. Technicians are often long-time residents with deep, hands-on experience, though access to the latest proprietary GM diagnostic tools and training may be more limited than at a metropolitan dealership. **Competition Level:** Competition is low in terms of the number of providers, but high in terms of the expectation for quality and reliability. The shops listed are the established leaders, with newer or less-reputable shops struggling to gain a foothold. **Typical Pricing:** Labor rates are typically more competitive than in larger cities, ranging from **$100 - $140 per hour**. However, for specialized diesel or transmission work, prices can align with regional averages. Customers benefit from the personalized service and the avoidance of a long tow to a major city like Cheyenne or Casper for common repairs. For highly complex electronic or luxury feature issues on Denali models, an owner might still consider the dealership in Cheyenne, but for the core competencies of diesel, transmission, 4WD, and suspension, the local specialists are more than capable.

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 Guernsey regulations and climate