The Best GMC Repair in Marshall, WA

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

#1

Marshall GMC

4.5
(182 reviews)
Verified

As the authorized GMC dealership in Marshall, this facility is the premier destination for factory-specified repairs, complex electronics, and warranty work. Their technicians receive direct training from GMC and have exclusive access to the latest diagnostic tools, technical service bulletins, and genuine GM parts. They are the go-to for Denali trim issues, advanced towing system programming, and engine control module updates.

1200 Pioneer Way, Marshall, WA 99037

Specialties & Features

Denali electronics and features
Allison 10-speed transmission
EcoTec3 engine diagnostics

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Marshall Auto & Diesel

4.7
(214 reviews)
Verified

A highly reputable independent shop known for its deep expertise in diesel performance and repair. The owner is a Duramax specialist, and the shop is a preferred choice for GMC Sierra 2500/3500 HD owners for everything from routine maintenance to complex engine overhauls and performance tuning. They also have extensive experience with heavy-duty suspensions and aftermarket towing accessories.

845 Industrial Road, Marshall, WA 99037

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

All-Wheel Drive & Transmission Specialists

4.4
(89 reviews)
Verified

While not exclusively a GMC shop, this provider has built a strong local reputation for being the expert in complex drivetrain systems. They are the recommended shop by several local parts stores for difficult transmission and 4WD cases. Their technicians are certified in Allison transmission rebuilds and are adept at diagnosing and repairing the sophisticated 4x4 transfer cases and differentials found in GMC trucks and SUVs.

522 Mitchell Avenue, Marshall, WA 99037

Specialties & Features

Allison transmission repair
4WD system service
Drivetrain diagnostics

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Marshall, Washington, is characterized by a clear hierarchy of service providers, catering to different customer needs and budgets. The market is not oversaturated, but quality is concentrated in a few established businesses. * **Average Quality:** The average quality of general repair shops is moderate. However, for the specialized services you've requested (Duramax, Allison, 4WD), the quality bar is high among the top-tier providers, as they cater to a knowledgeable clientele of truck owners. * **Competition Level:** Competition is segmented. The dealership (Marshall GMC) operates in its own tier for warranty work and factory-level diagnostics. The independents (Marshall Auto & Diesel and All-Wheel Drive) compete on price, personalized service, and niche expertise, often attracting owners of out-of-warranty vehicles or those seeking performance modifications. * **Typical Pricing:** Pricing follows a standard tiered structure. The dealership commands the highest labor rates (estimated $160-$185/hr), justified by factory tools, training, and OEM parts. The top independents are moderately priced ($130-$150/hr), offering significant savings while still providing expert service. General repair shops are lower cost but are not recommended for the complex systems you've listed. For any GMC owner in Marshall, the choice effectively comes down to the specific repair needed: the dealership for electronics and warranty, Marshall Auto & Diesel for diesel and powertrain performance, and All-Wheel Drive & Transmission Specialists for dedicated drivetrain issues.

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 Marshall regulations and climate