Top 3 GMC Repair Shops in Amherst

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

#1

C & S Auto & Diesel Repair

4.8
(140 reviews)
Verified

Widely regarded as the premier diesel and drivetrain specialist in the region. C & S has built a stellar reputation for its deep technical expertise, particularly with complex diesel engine diagnostics and transmission work. They are a family-owned business known for honest assessments and high-quality workmanship on both light-duty and heavy-duty trucks.

12149 Co Rd 33, Sterling, CO 80751

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Sterling Auto Center

4.5
(200 reviews)
Verified

A well-established, full-service automotive center with a strong focus on domestic trucks and SUVs. They have multiple ASE-certified technicians and are equipped to handle a wide range of services from routine maintenance on EcoTec engines to more complex 4WD system service and towing package electrical diagnostics.

12390 Co Rd 26, Sterling, CO 80751

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
General GMC maintenance

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

GMC of Sterling (Dealership Service Department)

4.3
(90 reviews)
Verified

As the authorized GMC dealership for the area, this service department offers the highest level of factory-specific training, proprietary diagnostic tools, and genuine GM parts. This is the definitive choice for complex electronic issues, warranty work, and programming for Denali luxury features and advanced towing systems that require OEM software.

13309 Co Rd 37, Sterling, CO 80751

Specialties & Features

Denali luxury features and electronics
Factory towing package maintenance
GM certified diagnostics

Business Information

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

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

** The GMC repair market serving Amherst, CO, is concentrated in the regional hub of Sterling. The market is characterized by a moderate level of competition among a handful of highly competent, established shops. Given the agricultural and ranching nature of the region, expertise in diesel engines, heavy-duty suspensions, and towing systems is a common strength among the top-tier providers. **Average Quality:** The quality of service is generally high, with shops competing on reputation and specialized knowledge rather than price alone. Customers expect and receive durable, long-term repairs. **Competition Level:** Moderate. There are few "big-box" chain shops; the market is dominated by long-standing local businesses and the dealership. This fosters a environment where reputation is paramount. **Typical Pricing:** Pricing is competitive with regional averages. Independent specialists like C & S Auto & Diesel often offer more competitive labor rates for complex drivetrain work than the dealership, while the dealership commands a premium for OEM parts and proprietary electronics programming. For standard maintenance and repairs, Sterling Auto Center typically represents a mid-range option. Customers are advised to get quotes for specific jobs, as the "right" shop often depends on the specific system needing service.

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 Amherst regulations and climate