Top 3 GMC Repair Shops in Colfax

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

#1

Cougar Automotive & Diesel

4.8
(180 reviews)
Verified

Highly regarded as the premier diesel and transmission specialist in the Palouse region. They are known for their deep technical expertise, particularly with Duramax diesel engines and Allison transmissions. They service a large fleet of local agricultural and heavy-duty trucks, indicating a high level of trust and capability with complex repairs.

1755 NE Merman Drive, Pullman, WA 99163

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

G&M Service Center

4.6
(120 reviews)
Verified

A long-standing, family-owned shop with a reputation for honesty and comprehensive service. While they are a full-service auto repair shop, they have specific technicians with advanced training in 4WD systems, electrical diagnostics, and engine performance, making them a strong choice for EcoTec engine work and towing package maintenance on GMC vehicles.

105 N Main St, Colfax, WA 99111

Specialties & Features

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

Business Information

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

Camp Chevrolet GMC Service Department

4.4
(250 reviews)
Verified

As the local, factory-authorized GMC dealership, Camp Chevrolet GMC is the definitive source for repairs requiring specialized OEM tools and software. This is the best option for complex electronics, Denali luxury feature repairs, warranty work, and recalls. Their technicians receive direct training from GM and have exclusive access to GM technical service bulletins and parts.

1200 S Main St, Colfax, WA 99111

Specialties & Features

Denali luxury features and electronics
Factory towing package maintenance
GM-specific diagnostics

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Colfax, Washington, reflects its agricultural and rural character. The market is not saturated with a high number of specialists, but the providers that do exist are robust, well-established, and highly competent. The competition is quality-focused rather than price-focused, with shops building reputation through long-term trust and word-of-mouth. **Average Quality** is high, as shops must be versatile to handle everything from daily driver SUVs to heavy-duty work trucks used in farming and construction. **Competition Level** is moderate; while there aren't dozens of shops, the existing ones (like G&M and the dealership) have deep community roots, and specialists from nearby Pullman (like Cougar Automotive) are easily accessible and highly competitive. **Typical Pricing** is in line with regional averages. Independent shops like G&M and Cougar Automotive generally offer more competitive labor rates than the dealership, but the dealership provides the assurance of factory-trained technicians and genuine GM parts. For complex electronic or proprietary system issues on newer models, the dealership (Camp Chevrolet GMC) is often the necessary, if not the only, viable option. Customers have a clear choice between specialized independents for powertrain and mechanical work and the factory dealership for warranty and advanced electronics.

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 Colfax regulations and climate