The Best GMC Repair in Lewis, CO

Compare the highest-rated gmc repair mechanics in Lewis, 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 diesel and transmission specialist on the Western Slope. They have built a formidable reputation for deep technical expertise on Duramax engines and Allison transmissions, making them the go-to for complex diagnostics and heavy-duty repairs. They cater extensively to owners of heavy-duty GMC trucks used for towing, ranching, and recreation.

2540 N Townsend Ave, Montrose, CO 81401

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Montrose Automotive

4.6
(220 reviews)
Verified

A long-standing, full-service shop known for its reliable and comprehensive diagnostics. They are a strong all-around choice for GMC owners, with particular skill in handling EcoTec engine issues, general maintenance, and complex electrical systems. Their longevity and large team allow them to service a high volume of vehicles while maintaining quality.

200 N Nevada Ave, Montrose, CO 81401

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
General GMC service
repair

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

S & J Auto & Diesel

4.7
(95 reviews)
Verified

A highly-rated, customer-focused shop that excels in 4WD system service and general diesel repair. While smaller than the other two, they are praised for their personalized service, attention to detail, and expertise in drivetrain and chassis work. They are an excellent choice for 4WD diagnostics, suspension lifts, and towing system repairs.

2510 N Rio Grande Ave, Montrose, CO 81401

Specialties & Features

4WD and towing system service
Diesel engine service
Suspension and drivetrain repair

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market for residents of Lewis, CO is served primarily by shops located in Montrose, approximately a 30-minute drive away. The market is characterized by a small number of high-quality, independent specialists rather than dealership competition (the nearest GMC dealer is in Grand Junction). Due to the rural and agricultural nature of the region, expertise in **Duramax diesel engines** and **Allison transmissions** is a critical differentiator and is in high demand. Shops that possess this specialized knowledge can command premium pricing, with labor rates typically ranging from **$130 - $160 per hour**. The competition level is moderate; while there aren't dozens of shops, the ones that have established strong reputations are highly competitive for the local customer base. Customer satisfaction is heavily driven by trust and proven results, given the high value of the vehicles and their importance to owners' livelihoods and lifestyles. For luxury features and advanced electronics on Denali models, the expertise is more fragmented, with some general shops capable of handling basic issues, while complex problems may require the dealership 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 Lewis regulations and climate