The Best GMC Repair in Duvall, WA

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

#1

All Transmission Masters

4.8
(180 reviews)
Verified

A highly-rated, family-owned auto repair shop with a stellar reputation for transmission work, which is critical for GMC's Allison and 10-speed units. They have expanded their expertise to become a full-service shop with specific skills in diesel diagnostics and 4WD systems, making them a top choice for complex GMC powertrain issues.

26732 Northeast Cherry Valley Road, Duvall, WA 98019

Specialties & Features

Allison transmission repair
Duramax diesel service
4WD diagnostics

Business Information

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

Gee Automotive - Duvall Service & Repair

4.7
(150 reviews)
Verified

As a well-established local staple, Gee Automotive provides comprehensive service for all makes and models, but they demonstrate significant expertise with domestic trucks and SUVs. They are known for their honest diagnostics, expertise with EcoTec engines in smaller GMCs, and general maintenance of towing and suspension systems.

15620 Main Street Northeast, Duvall, WA 98019

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
general GMC service

Business Information

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

Gary's Automotive & Transmission (Monroe)

4.6
(220 reviews)
Verified

Located a short drive from Duvall in Monroe, Gary's is a dedicated specialist that Duvall residents frequently patronize for heavy-duty work. They have specific, recognized expertise in transmission rebuilding and heavy-duty truck suspension, making them an excellent choice for lifted or work-oriented GMC Sierra HD trucks.

19821 State Route 2, Monroe, WA 98272

Specialties & Features

Heavy-duty truck suspension
transmission repair
diesel service

Business Information

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

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

** The GMC repair market serving Duvall, Washington, is characterized by a few highly capable independent shops rather than a high volume of competition. The quality is generally very high, with shops building their reputation on trust and specialized knowledge, as they compete with larger dealerships in neighboring cities like Woodinville and Redmond. * **Average Quality:** The average quality of independent repair shops in this area is above average, as they must be technically proficient to service the complex needs of modern GMC trucks and SUVs, especially those with Duramax and Allison systems. * **Competition Level:** Competition is moderate. There are only a handful of shops within Duvall, but residents have easy access to a wider range of options in Monroe, Carnation, and Woodinville. Reputation and word-of-mouth are the primary competitive drivers. * **Typical Pricing:** Pricing is competitive but reflects the high skill level required. Expect labor rates in the $150-$180/hour range for specialized work. Complex diagnostics for electronics or transmission repairs will be at the higher end, while general maintenance (oil changes, brake service) is more competitively priced. Specialized services like Duramax injector replacement or Allison transmission overhaul are significant investments, often costing several thousand dollars, but are typically 20-30% less than dealership pricing.

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 Duvall regulations and climate