The Best GMC Repair in Whitewater, MT

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

#1

GMC of Missoula

4.6
(450 reviews)
Verified

As the region's only authorized GMC dealership, this facility offers factory-trained technicians, genuine GM parts, and direct access to the latest technical service bulletins and diagnostic software. They are the premier choice for warranty work, complex electronics, and newer model GMC trucks, especially Denali trims.

3800 Brooks Street, Missoula, MT 59804

Specialties & Features

Denali luxury features and electronics
EcoTec3/ EcoTec3 engine diagnostics
Allison transmission repair

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#2

Certified Transmission & Auto Repair

4.8
(280 reviews)
Verified

A local powerhouse known for its expertise in complex drivetrain and powertrain issues. While they service all makes, they have a renowned reputation for their work on American trucks, with specific expertise in Duramax diesel performance and Allison transmission rebuilds. They are a top-tier independent alternative to the dealership.

2520 South Avenue W, Missoula, MT 59804

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and towing system service

Business Information

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

Scheffer Automotive LLC

4.7
(190 reviews)
Verified

A highly respected, family-owned auto and diesel repair shop with a strong focus on customer service and technical excellence. They excel in diagnostics and are a go-to for general maintenance, suspension work, and troubleshooting issues that other shops can't solve. They have specific experience with HD truck suspensions and towing systems.

3015 Great Northern Ave, Missoula, MT 59808

Specialties & Features

Heavy-duty truck suspension
Towing package maintenance
General GMC service
diagnostics

Business Information

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

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

** The GMC repair market serving Whitewater, MT, is almost entirely centered in Missoula. The market is characterized by **moderate competition** among a handful of highly competent providers. Due to Montana's rugged terrain and reliance on trucks for work and recreation, the quality of service for GMC trucks, particularly HD and 4WD models, is generally **high**. * **Average Quality:** The standard for GMC-specific repair is good to excellent, with several shops possessing deep, specialized knowledge. * **Competition Level:** There is a clear hierarchy. The dealership (GMC of Missoula) holds a monopoly on factory-direct services and certifications. A few top-tier independents (like Certified Transmission and Scheffer Automotive) compete effectively on price, personalized service, and specific mechanical expertise (especially in transmissions and diesel). * **Typical Pricing:** Pricing follows a standard tiered structure. The dealership typically commands the highest labor rates ($150-$180/hr). Specialized independents are slightly more affordable ($130-$160/hr), while general mechanics are lower but lack the specific expertise for complex GMC systems. For reference, a Duramax injector replacement can range from $2,500-$4,500, and an Allison transmission service is typically $300-$500.

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 Whitewater regulations and climate