Top 3 GMC Repair Shops in Wiley

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

#1

Schlenker Automotive Inc.

4.7
(180 reviews)
Verified

A long-standing, family-owned auto repair center known for its honest diagnostics and high-quality work. They are a well-established business with a strong reputation for handling complex engine and transmission work on both domestic and import vehicles, with a significant portion of their work focused on GM trucks and SUVs.

1201 N 13th St, Lamar, CO 81052 (Serves the Wiley area)

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

High Plains Diesel & Auto Repair

4.5
(90 reviews)
Verified

As the name implies, this shop has a specific focus on diesel powertrains, making them a prime choice for Duramax owners. They are highly recommended for their expertise in heavy-duty truck systems, including suspension and towing components, which are critical for GMC 2500/3500 series trucks.

1301 N Main St, Lamar, CO 81052 (Serves the Wiley area)

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Wiley Service Center

4.3
(50 reviews)
Verified

The most local option physically located in Wiley. This is a full-service gas station and repair shop that handles general maintenance, diagnostics, and common repairs for the local community. For highly specialized Denali electronics or complex transmission rebuilds, they may refer customers to specialists in Lamar, but they are a trusted first stop for basic diagnostics, fluid services, and general repairs.

501 Main St, Wiley, CO 81092

Specialties & Features

EcoTec engine diagnostics
General maintenance
4WD service

Business Information

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

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

** The GMC repair market serving Wiley, Colorado, is characteristic of a rural agricultural and ranching community. The demand is high for competent repair of heavy-duty trucks, diesel engines, and towing systems due to the prevalence of GMC Sierra and Denali models used for work and recreation. However, due to the town's small size (population ~400), there are no dedicated GMC-only dealerships or specialists within the city limits itself. The market is effectively served by the nearby commercial center of Lamar, CO (a 15-minute drive), which hosts several reputable, long-standing independent shops. These providers have built their reputations on serving the specific needs of the region's truck owners. Competition is moderate but quality is generally high, as shops rely heavily on word-of-mouth and long-term customer relationships. Pricing is typically lower than in major metropolitan areas but reflects the specialized knowledge required for complex systems like Duramax and Allison, offering good value for the expertise provided. For routine service, the local Wiley Service Center provides essential convenience.

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 Wiley regulations and climate