Top 3 GMC Repair Shops in Sammamish

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

#1

GMC of Sammamish

4.5
(450 reviews)
Verified

As the authorized GMC dealership, this is the primary destination for owners seeking factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins. Their service department is equipped to handle everything from routine EcoTec3 maintenance to complex Duramax diesel and Allison transmission diagnostics, including all Denali luxury and electronic features.

4220 228th Ave SE, Sammamish, WA 98075

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali electronics
programming

Business Information

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

Precision Auto Repair of Sammamish

4.9
(180 reviews)
Verified

A premier independent shop with a stellar reputation for technical expertise and customer service. While not GMC-exclusive, they have multiple ASE Master Certified technicians with extensive experience on GM platforms. They are a top choice for owners who want dealership-level expertise on complex issues like 4WD diagnostics and towing system maintenance without the dealership price point.

22325 SE 4th St, Sammamish, WA 98074

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Heavy-duty suspension

Business Information

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

European Auto Care

4.7
(90 reviews)
Verified

While the name suggests a European focus, this highly-rated local shop has developed a strong reputation for working on a wide range of complex vehicles, including American trucks and SUVs. They are known for their diagnostic capabilities, making them a solid choice for persistent electronic issues, transmission concerns, and engine performance problems in GMC vehicles, especially for customers seeking a personalized service experience.

22811 NE 8th St, Sammamish, WA 98074

Specialties & Features

Advanced diagnostics (Engine/Transmission)
Towing package maintenance
General service
repair

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Sammamish is characterized by high quality and correspondingly high pricing, reflective of the community's demographics. The market is not saturated with a high number of competitors, but the existing providers are established and highly competent. **GMC of Sammamish** holds a near-monopoly on factory-warranty work and proprietary programming, setting the benchmark for OEM-standard repairs. Independent shops like **Precision Auto Repair** and **European Auto Care** compete successfully by offering more personalized service, often at a 15-25% lower labor rate, while demonstrating proven expertise on the mechanical and diagnostic systems common to GMC vehicles. For highly specialized work on Duramax engines or Allison transmissions, owners are generally best served by the dealership or a dedicated diesel shop (which are less common in Sammamish proper). Typical pricing for labor ranges from $165-$195 per hour at the dealership to $130-$160 at the top-tier independents.

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 Sammamish regulations and climate