Top 3 GMC Repair Shops in Hygiene

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

#1

St. Vrain Auto & Diesel

4.8
(240 reviews)
Verified

A highly regarded, family-owned shop known for its technical expertise with both domestic and diesel vehicles. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in the complex systems of modern trucks, making them a top choice for GMC owners.

1251 S Sherman St, Longmont, CO 80501

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Scott's Auto & Diesel Inc.

4.7
(180 reviews)
Verified

Scott's Auto has been a trusted name in the Longmont area for years, with a specific focus on diesel engines and transmission systems. Their technicians are proficient with high-tech diagnostics, making them well-suited for both the mechanical and electronic needs of GMC trucks and SUVs.

1331 South Emery St, Longmont, CO 80501

Specialties & Features

EcoTec engine diagnostics
Transmission repair (Allison
10-speed)
4WD and towing system service

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

A1 Automotive & Transmission

4.6
(150 reviews)
Verified

While strong in general automotive repair, A1 Automotive has developed a niche expertise in transmission services, including the complex Allison units found in GMC trucks. They are a reliable option for both routine maintenance and major drivetrain repairs.

2209 East 11th Ave, Longmont, CO 80504

Specialties & Features

Allison transmission repair
Towing package maintenance
General GMC service
diagnostics

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market serving Hygiene, Colorado, is characterized by high-quality, independent specialists concentrated in nearby Longmont. Due to Hygiene's small size, there are no dedicated GMC repair shops within its immediate boundaries; residents rely on the robust automotive service industry in the surrounding Boulder County area. The competition level is moderate to high, with several shops competing on expertise rather than just price. The average quality is notably high, as evidenced by the consistently strong reviews for the top shops, which focus on building long-term trust. Specialization in diesel and transmission work is a key differentiator. Typical pricing for specialized services (e.g., Duramax injector replacement, Allison transmission service) is at a premium, reflecting the technical skill and diagnostic equipment required, but is generally more competitive than dealership rates. Shops with specific diesel and transmission certifications are considered the most reputable for handling complex GMC models like the Sierra HD, Yukon XL, and Denali trims.

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 Hygiene regulations and climate