Top 3 GMC Repair Shops in Platteville

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

#1

Phil Long Dealerships of Greeley

4.4
(450 reviews)
Verified

As the authorized GMC dealership for the region, this facility is the primary destination for factory-trained service, genuine GM parts, and complex warranty work. Their technicians receive direct manufacturer training on all GMC systems, from the latest Duramax diesel and 10-speed Allison transmissions to the intricate electronics in Denali models.

3333 23rd Ave, Greeley, CO 80634

Specialties & Features

Denali electronics
luxury features
Duramax diesel service
Factory towing package programming

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

A-1 Auto & Diesel Specialists

4.7
(180 reviews)
Verified

A highly reputable independent shop known for its expertise in both diesel and gasoline powertrains. They have built a strong reputation for honest diagnostics, quality workmanship, and specializing in the trucks common to Weld County, including heavy-duty GMC Sierras. They are a top choice for owners seeking expert care outside the dealership network.

2436 1st Ave, Greeley, CO 80631

Specialties & Features

Duramax diesel service
Allison transmission repair
EcoTec engine diagnostics

Business Information

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

T & J Auto & 4x4

4.6
(90 reviews)
Verified

This shop focuses specifically on the drivetrain and suspension systems critical to Colorado truck owners. They are experts in 4WD system service, lift kit installations, suspension repairs for heavy-duty trucks, and troubleshooting towing-related issues. They are the go-to for owners who use their GMC trucks for heavy towing, off-roading, or agricultural work.

59 Oak St, Platteville, CO 80651

Specialties & Features

4WD system service
Heavy-duty truck suspension
Towing system maintenance

Business Information

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

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

** The GMC repair market serving Platteville, CO, is characterized by a high demand for competent diesel and 4WD service, driven by the area's agricultural and energy sectors. The market is not saturated with a large number of specialists directly within Platteville's city limits, leading residents to rely on a few trusted local shops like T & J Auto & 4x4 for core mechanical work, while traveling to the larger hub of Greeley (a 15-20 minute drive) for dealership-level expertise or advanced diesel diagnostics. **Average Quality:** The quality is generally high, with several shops demonstrating deep, specialized knowledge rather than being general-purpose mechanics. Competition revolves around technical capability and reputation rather than price. **Competition Level:** Moderate. While there are numerous general auto repair shops, true *specialists* for GMC/Duramax/Allison systems are limited, creating a niche for the top providers. **Typical Pricing:** Pricing is tiered. Dealerships (Provider 1) command a premium for OEM parts and manufacturer-specific diagnostics. Independent specialists (Providers 2 & 3) typically offer more competitive labor rates, making them a value-conscious choice for out-of-warranty vehicles and specialized mechanical 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 Platteville regulations and climate