Top 3 GMC Repair Shops in Mosca

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

#1

Monte Vista Customs & Repair

4.8
(180 reviews)
Verified

Widely regarded as the leading diesel and truck specialist in the San Luis Valley. They have a strong reputation for tackling complex diagnostics and repairs on modern GMC trucks, from Duramax engine work to sophisticated electronic and transmission issues. Their team is known for its technical proficiency and commitment to quality.

235 US-160, Monte Vista, CO 81144 (Approx. 15 miles from Mosca)

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

Ron's Automotive & Offroad Center

4.6
(120 reviews)
Verified

A well-established, family-owned shop with a focus on both domestic trucks and off-road vehicles. They receive consistent praise for their honest diagnostics, especially with GM powertrains including EcoTec engines and 4WD systems. They are a trusted local option for routine maintenance and complex repairs.

6025 US-160, Alamosa, CO 81101 (Approx. 25 miles from Mosca)

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
transmission repair

Business Information

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

Valley Wide Automotive

4.4
(90 reviews)
Verified

A reliable and versatile full-service shop that handles a wide range of automotive needs, with significant experience in domestic brands like GMC. They are a solid choice for general maintenance, electrical issues, and suspension work on GM trucks and SUVs, including Denali models.

1719 Main St, Alamosa, CO 81101 (Approx. 25 miles from Mosca)

Specialties & Features

Denali luxury features and electronics
towing package maintenance
general GMC service

Business Information

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

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

** The GMC repair market servicing Mosca, CO, is characterized by a small number of high-quality, independent shops rather than high-volume dealerships or national chains. Due to the rural, agricultural nature of the San Luis Valley, expertise in diesel engines (Duramax), heavy-duty suspensions, and 4WD systems is not just a specialty but a necessity for local businesses to succeed. The competition level is moderate, with a focus on reputation and long-term customer relationships over price-based advertising. The average quality of service is high, as these shops rely on word-of-mouth in a tight-knit community. Typical pricing is competitive for rural Colorado, generally lower than in major metropolitan areas but reflective of the specialized knowledge required for modern GMC trucks. For highly specific dealer-level programming or recall work, owners often travel to larger cities like Pueblo or Colorado Springs.

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 Mosca regulations and climate