Top 3 GMC Repair Shops in Adams

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

#1

Hermiston Truck & Auto Repair

4.7
(180 reviews)
Verified

A highly reputable, full-service shop known for handling everything from passenger trucks to heavy-duty diesel work. They are a local favorite for complex diagnostics and major repairs on American brands, especially GMC and Chevrolet. Their technicians have deep experience with Duramax and Allison systems, making them a primary destination for serious truck owners.

84595 N Hwy 395, Hermiston, OR 97838

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Pendleton Auto & Truck Center

4.5
(120 reviews)
Verified

This well-established service center has built a strong reputation for reliability and technical expertise. They service a large fleet of local agricultural and commercial trucks, which has given them extensive experience with the robust systems found in GMC Sierra and Canyon models, including 4WD, towing, and EcoTec engines.

3200 Westgate, Pendleton, OR 97801

Specialties & Features

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

Business Information

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

Gunderson's Auto Service

4.8
(90 reviews)
Verified

A family-owned shop celebrated for its personalized service and high-quality workmanship. While they handle general repairs, they have developed a niche expertise in modern vehicle electronics and diagnostics, making them an excellent choice for addressing issues with Denali luxury features, infotainment systems, and advanced driver-assistance systems (ADAS) on GMC vehicles.

1417 SE Court Ave, Pendleton, OR 97801

Specialties & Features

Denali luxury features and electronics
Towing package maintenance
General diagnostics and repair

Business Information

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

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

** The GMC repair market for residents of **Adams, Oregon** is characterized by a reliance on service providers in larger neighboring cities, primarily **Hermiston** and **Pendleton**. Due to Adams's small size and rural nature, there are no dedicated GMC-exclusive dealerships or specialists operating within its boundaries. The competitive landscape is therefore regional. The average quality of service is quite high, as the shops that survive in this agricultural and truck-dependent region must be capable of working on complex, heavy-duty vehicles. Competition is strong among the top shops in Hermiston and Pendleton, driving a focus on customer service and technical proficiency. Pricing is typically in line with regional averages; expect labor rates between $120-$150/hour. For specialized diesel (Duramax) or transmission (Allison) work, labor rates can be higher, and parts costs are significant. Consumers in this market highly value trustworthiness, turnaround time, and proven expertise over the lowest price, as their trucks are often essential for work and daily life.

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 Adams regulations and climate