Top 3 GMC Repair Shops in Gill

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

#1

Greeley Automotive & Diesel

4.8
(240 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both gasoline and diesel powertrains. They are a top choice for complex diagnostics and heavy-duty truck service, offering a level of specialized care often sought by GMC Sierra HD and Denali owners who prefer independent shops over dealerships.

2530 8th Ave, Greeley, CO 80631

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Tuttle's Greeley GMC (Official Dealer)

4.6
(180 reviews)
Verified

As the authorized GMC dealership serving the Greeley and Gill area, Tuttle's service department has direct access to GM-specific tools, training, and technical bulletins. This is the premier location for warranty work, complex electronics, Denali feature repairs, and factory-recalled items.

2700 8th Ave, Greeley, CO 80631

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

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

Advanced Transmission Center

4.7
(190 reviews)
Verified

While not a full-service general repair shop, this provider is a critical specialist for one of GMC's most vital components. They are Weld County's leading experts in automatic transmission repair and rebuilding, with specific expertise in the Allison series common in GMC trucks. For any transmission-specific issue, they are the unparalleled local experts.

123 7th St, Greeley, CO 80631

Specialties & Features

Allison transmission repair
4WD and towing system service
Transmission diagnostics

Business Information

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

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

** The GMC repair market for Gill, Colorado, residents is characterized by a reliance on the larger, neighboring city of Greeley for specialized services. The market is moderately competitive with a clear bifurcation: * **Dealership Service:** Tuttle's Greeley GMC represents the factory-authorized tier, commanding premium pricing but offering OEM parts, manufacturer-trained technicians, and guaranteed compatibility with complex electronics and safety systems, which is crucial for newer models and Denali trims. * **Independent Specialists:** Shops like Greeley Automotive & Diesel and Advanced Transmission Center form a strong independent tier. They typically offer more personalized service and competitive labor rates, attracting owners of out-of-warranty vehicles and those requiring deep mechanical expertise, particularly for diesel and transmission systems. Average labor rates in the area range from **$130 - $170 per hour**, with dealerships at the higher end. The quality of service is generally high across the board, as these established businesses rely on reputation in a tight-knit community. For a resident of Gill, the choice often comes down to the specific repair needed: the dealership for warranty, electronics, and recalls, or a trusted independent for powertrain, suspension, and transmission work.

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 Gill regulations and climate