The Best GMC Repair in Auburn, WA

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

#1

Dr. Diesel & Turbo

4.8
(240 reviews)
Verified

Widely regarded as the premier diesel performance and repair shop in the South Puget Sound. They are experts in Duramax diagnostics, performance upgrades, and complex repairs. While performance-oriented, they are equally skilled in stock repair and maintenance, making them a top choice for both work trucks and high-end Denali models requiring sophisticated electrical and engine management.

2612 Auburn Way N, Auburn, WA 98002

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

All Transmissions

4.7
(180 reviews)
Verified

A family-owned and operated specialist with a formidable reputation for transmission work, particularly on the Allison series. They are a trusted name for complex transmission rebuilds and diagnostics. Their expertise extends to the newer GM 10-speed transmissions and the integrated towing and 4WD systems that interact with the transmission control modules.

102 30th St NE, Auburn, WA 98002

Specialties & Features

Allison transmission repair
10-speed transmission service
Towing package maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Gary's Automotive & Diesel Service

4.6
(190 reviews)
Verified

A well-established, full-service shop known for its honest diagnostics and comprehensive service capabilities. They are a strong all-around contender, effectively handling everything from EcoTec engine diagnostics in smaller GMCs to the mechanical and electronic systems of Denali trims and Duramax-powered trucks. They are a great choice for owners seeking a one-stop shop for general and specialized GMC maintenance.

2402 A St SE, Auburn, WA 98002

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
Denali luxury features and electronics

Business Information

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

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

** The GMC repair market in Auburn is robust and highly competitive, reflecting the city's role as a key logistics and transportation corridor. The average quality of service is high, with numerous shops capable of basic maintenance. However, true specialists for the complex systems you've listed (Duramax, Allison, advanced electronics) are fewer and command a premium. **Competition Level:** High for general repair, moderate for true specialists. The top shops have cultivated strong reputations and often have waiting lists for non-emergency service. **Typical Pricing:** Pricing is above the national average, consistent with the Pacific Northwest cost of living. Specialist labor rates for the shops listed are typically in the **$150-$190/hour** range. Diesel and transmission-specific work is a significant investment, but the leading shops justify this with expert diagnostics, quality parts, and warranties on their work, ultimately providing better long-term value and reliability.

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 Auburn regulations and climate