Top 3 GMC Repair Shops in Steptoe

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

#1

Gee Automotive - Gee & TCE

4.8
(280 reviews)
Verified

A highly respected, family-owned auto care center in nearby Pullman. While not a GMC-exclusive dealer, they are renowned for their advanced diagnostics and capability to handle complex repairs on domestic trucks, including all GMC systems. They have multiple ASE Master Certified technicians and are a top-tier independent shop for Duramax and Allison service in the Palouse region.

1155 NE Merman Drive, Pullman, WA 99163

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing diagnostics

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Certified Transmission & Auto Repair

4.7
(190 reviews)
Verified

Located in Spokane Valley, this is a specialist shop that focuses on complex transmission and drivetrain systems. They are experts on the Allison transmission series and the newer 10-speed models used in GMC trucks. Their reviews frequently highlight their expertise with heavy-duty trucks and their ability to solve problems that dealerships could not.

9111 E Montgomery Ave Suite 6, Spokane Valley, WA 99206

Specialties & Features

Allison
10-speed transmission rebuild
4WD system service
heavy-duty truck diagnostics

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Garrity Auto & Truck Repair

4.6
(160 reviews)
Verified

A well-established, full-service shop in Spokane with a strong reputation for handling both light-duty and heavy-duty GM trucks. They receive consistent praise for their honest diagnostics, quality workmanship on engine and suspension systems, and expertise with vehicles used for towing and hauling.

1108 N Helena St, Spokane, WA 99202

Specialties & Features

EcoTec engine diagnostics
heavy-duty truck suspension
towing package maintenance

Business Information

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

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

** The GMC repair market servicing Steptoe, WA is characterized by its reliance on nearby urban centers. The in-town option is extremely limited, catering only to basic maintenance and repairs. For the specialized services required for modern GMC trucks (especially Duramax, Allison, and advanced electronics), residents must travel to Pullman or Spokane. * **Average Quality:** The quality of specialized service is high in the regional hubs, with several shops boasting ASE and manufacturer-specific certifications. The competition among top-tier independents in Pullman and Spokane drives a high standard of work. * **Competition Level:** Competition is moderate in Pullman and high in Spokane. This benefits the consumer, as shops differentiate themselves through specialized expertise (e.g., transmissions vs. diesel engines) and customer service. * **Typical Pricing:** Pricing is competitive but reflects specialized labor and expertise. Expect rates between $120-$160 per hour for labor. Complex diesel or transmission work represents a significant investment, but is typically 20-30% less than at a dealership for similar quality. For major services like an Allison transmission overhaul or Duramax injector replacement, costs can range from $3,000 to $8,000+ depending on the issue. **Disclaimer:** The information presented is based on a comprehensive analysis of publicly available data as of the latest update. It is always recommended to contact the business directly to verify specific services, certifications, obtain quotes, and confirm current hours of operation before scheduling any 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 Steptoe regulations and climate