The Best GMC Repair in Prescott, WA

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

#1

Walla Walla Diesel & Auto Repair

4.8
(180 reviews)
Verified

Widely regarded as the premier diesel and transmission specialist in the region. While they service all brands, they have a renowned expertise in GM platforms, particularly Duramax diesel engines and Allison transmissions. Their technicians are highly trained and they invest in advanced diagnostic equipment, making them a top choice for complex drivability, emissions, and powertrain issues on heavy-duty GMC trucks and SUVs.

1525 Isaacs Ave, Walla Walla, WA 99362

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Car-Z Auto Care

4.7
(250 reviews)
Verified

A long-standing, family-owned shop known for its honest service and broad technical capabilities. They are an AAA-approved auto repair center and have multiple ASE-certified technicians with specific experience in GM vehicles. They are a strong all-around choice for GMC owners, handling everything from EcoTec engine diagnostics and towing package maintenance to electronic and comfort system repairs on Denali models.

2019 Melrose St, Walla Walla, WA 99362

Specialties & Features

EcoTec engine diagnostics
Towing package maintenance
Denali luxury features and electronics

Business Information

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

Ron's Mid-City Motors

4.6
(90 reviews)
Verified

A well-respected independent shop that has built a loyal customer base through dependable service. They focus on American-made trucks and SUVs, giving them deep brand-specific knowledge. They are a reliable and often more affordable option for routine and complex repairs on GMC vehicles, with specific praise for their work on 4WD systems and transmission services.

911 Rose St, Walla Walla, WA 99362

Specialties & Features

4WD and towing system service
Transmission repair
General GMC service and repair

Business Information

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

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

** The GMC repair market serving Prescott, Washington, is characterized by its reliance on the larger Walla Walla area for specialized services. Within Prescott itself, options are minimal to non-existent for the specific specialties requested. The market in Walla Walla is moderately competitive, with a clear distinction between general repair shops and true specialists. * **Average Quality:** The average quality of service for GMC vehicles in the region is good, with several shops capable of handling standard maintenance. However, for the complex specialties like Duramax and Allison systems, the field narrows significantly to only a few top-tier providers. * **Competition Level:** Competition is healthy but not saturated. The presence of a dedicated diesel specialist (Walla Walla Diesel & Auto) creates a high bar for specific engine and transmission work. Well-established, full-service shops like Car-Z compete on reputation, customer service, and broad capability. * **Typical Pricing:** Pricing is in line with regional averages for the Pacific Northwest. Labor rates typically range from **$130 - $165 per hour**. Specialized diesel and transmission work commands the higher end of this scale, while general maintenance and repair may be found at more moderate rates. Customers can expect a significant premium for dealership-level expertise without the dealership-level overhead at these independent shops.

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 Prescott regulations and climate