The Best GMC Repair in Collbran, CO

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

#1

Western Slope Diesel & Auto Repair

4.8
(180 reviews)
Verified

Widely regarded as the premier shop on the Western Slope for diesel and heavy-duty truck service. They have a stellar reputation for deep technical expertise, particularly with Duramax engines and Allison transmissions. Their technicians are highly trained and they invest in specialized diagnostic equipment, making them a top choice for complex electrical and performance issues on Denali and HD models.

2852 U.S. Hwy 6 & 50, Grand Junction, CO 81505

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Grand Junction Automotive & 4x4

4.6
(220 reviews)
Verified

A well-established, full-service shop with a strong focus on 4WD systems, off-road modifications, and towing package maintenance. They are known for their honest diagnostics and high-quality work on a wide range of vehicles, including GMC trucks and SUVs. They are a common recommendation for locals needing EcoTec3 engine service, lift/leveling kit installations, and trailer brake controller repairs.

753 South Ave, Grand Junction, CO 81501

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Pro-Tek Automotive & AC

4.7
(150 reviews)
Verified

While not exclusively a truck shop, Pro-Tek has built an excellent reputation for its technical proficiency with modern vehicle electronics and luxury features, making them a strong choice for GMC Denali owners. Their technicians are adept at diagnosing and repairing complex infotainment, climate control, and driver-assistance systems that are common in high-trim GMC vehicles. They also provide comprehensive general repair and maintenance.

546 28 1/4 Rd, Grand Junction, CO 81506

Specialties & Features

Denali luxury features and electronics
General GMC service and diagnostics
AC and climate control

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Collbran, Colorado, is characterized by a reliance on service providers in Grand Junction, approximately a 45-minute drive away. There are no dedicated GMC or GM dealerships or large-scale specialist shops within Collbran itself. The local market consists of one or two very small, general mechanical shops that handle basic maintenance and repairs but lack the specialized tools, certifications, and inventory for complex diesel, transmission, or electronic work. The competition level in the broader region (Mesa County) is moderate, with several high-quality independent shops competing with the Grand Junction GMC dealership. This competition benefits the consumer by driving a focus on customer service and specialized expertise. Typical pricing for specialized services (e.g., Duramax injector replacement, Allison transmission service) is in line with regional averages, which are generally higher than national chains due to the specialized skills and equipment required. Customers from Collbran should expect to travel for top-tier service but can find a concentration of highly capable and reputable shops in Grand Junction.

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 Collbran regulations and climate