The Best GMC Repair in Tumtum, WA

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

#1

Inland Truck & Equipment Company - Spokane

4.5
(180 reviews)
Verified

As a long-standing, factory-authorized dealer, this provider offers the most direct line of OEM expertise. Their service department is staffed by GM-certified technicians with specific training on the latest GMC models, including the Sierra HD and Yukon/Denali lines. They have the proprietary tools and software for advanced diagnostics.

911 E Sprague Ave, Spokane, WA 99202

Specialties & Features

Duramax diesel service
Denali luxury features and electronics
Allison transmission repair

Business Information

Years in Business:80 years
Licensed:Yes
Insured:Yes
#2

Certified Diesel & Repair

4.8
(150 reviews)
Verified

A highly-rated independent shop that has built its reputation on expertise in diesel powertrains and heavy-duty truck systems. They are a top choice for GMC owners who prefer specialized, independent service over a dealership. Their technicians have deep experience with Duramax engines and the complex emissions systems associated with them.

911 N Park Rd, Spokane Valley, WA 99212

Specialties & Features

Duramax diesel service
heavy-duty truck suspension
towing package maintenance

Business Information

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

Deer Park Repair

4.6
(90 reviews)
Verified

A well-respected, family-owned shop located significantly closer to Tumtum than the Spokane metro options. They provide a full range of automotive services with a strong reputation for honest diagnostics and quality work on domestic trucks, including GMC. They are a practical and trusted local choice for general maintenance and repairs.

13 E D Street, Deer Park, WA 99006

Specialties & Features

EcoTec engine diagnostics
transmission repair
4WD and towing system service

Business Information

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

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

** The GMC repair market serving Tumtum, Washington is characterized by a need to travel to neighboring cities for specialized service. Within the immediate Tumtum area, options are limited to very small general mechanics. The true "specialists" are concentrated in Spokane, Spokane Valley, and Deer Park. * **Average Quality:** The quality of service is high among the top-tier providers, with several shops boasting GM-specific certifications or deep, specialized experience with diesel and heavy-duty systems. * **Competition Level:** Competition is robust in the Spokane metro area, which benefits consumers through competitive pricing and a drive for high customer satisfaction. Shops like Certified Diesel compete directly with dealerships by offering more personalized service and often lower labor rates. * **Typical Pricing:** Pricing follows a standard tiered structure. Dealerships (like Inland Truck) typically command the highest labor rates but offer the assurance of OEM parts and factory-trained technicians. Specialized independents (like Certified Diesel) are moderately priced for their high level of expertise. General local shops (like Deer Park Repair) offer the most competitive labor rates for non-specialized repairs and maintenance. For complex diesel or transmission work, customers should expect premium pricing regardless of the provider.

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 Tumtum regulations and climate