Top 3 GMC Repair Shops in Onalaska

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

#1

Chehalis Transmission & Auto Repair

4.8
(180 reviews)
Verified

A highly reputable, family-owned shop known for its expertise in complex transmission systems, including Allison models, and general diesel engine service. They are frequently recommended for heavy-duty truck repair and have a strong track record with local businesses and individuals who rely on their trucks for work and towing.

120 NW Chehalis Ave, Chehalis, WA 98532

Specialties & Features

Allison transmission repair
Duramax diesel service
Heavy-duty truck suspension

Business Information

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

RPM Diesel & Performance

4.7
(110 reviews)
Verified

This shop is a clear specialist focused specifically on diesel performance and repair, making it a top choice for Duramax engines. They offer comprehensive diagnostics, maintenance, and performance upgrades. Their expertise extends to the related towing and 4WD systems that are critical for GMC trucks.

1825 Harrison Ave, Centralia, WA 98531

Specialties & Features

Duramax diesel service
Towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Bud's Automotive

4.6
(250 reviews)
Verified

A long-standing, trusted general automotive repair shop with a significant portion of its business dedicated to domestic trucks and SUVs. They have extensive experience with GMC vehicles, including electrical system diagnostics that cover Denali luxury features, and are known for honest, reliable service.

720 S Market Blvd, Chehalis, WA 98532

Specialties & Features

4WD and towing system service
Denali luxury features and electronics
General GMC service and diagnostics

Business Information

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

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

The GMC repair market serving Onalaska, WA is characterized by a reliance on established providers in the nearby Centralia-Chehalis urban area. As a small, rural community, Onalaska itself does not host dedicated GMC or diesel specialty shops. The market is moderately competitive, with a handful of highly reputable shops dominating the truck and diesel service segment. The average quality of service for GMC-specific needs is high, as the local economy and lifestyle create strong demand for capable truck repair specialists. Customers can expect knowledgeable service, but wait times for appointments at the top shops can be longer due to high demand. Typical pricing is competitive for the region, with diagnostic fees ranging from $120-$180 and labor rates between $110-$150 per hour. Specialized diesel and transmission work commands a premium but is widely available from the top-tier providers.

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 Onalaska regulations and climate