The Best GMC Repair in Dayton, MT

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

#1

Certified Transmission & Diesel

4.7
(180 reviews)
Verified

A highly regarded, family-owned shop in nearby Livingston that has built a strong reputation for expertise in complex diesel and transmission systems. They are known for their technical depth, particularly with Duramax and Allison platforms, and are a trusted source for ranchers and heavy-duty truck owners in the region.

1124 W Park Street, Livingston, MT 59047

Specialties & Features

Duramax diesel service
Allison transmission rebuild
Heavy-duty suspension upgrades

Business Information

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

Bozeman Truck & Auto Repair

4.5
(250 reviews)
Verified

A well-established, full-service shop in Bozeman with a dedicated commercial truck and SUV bay. They offer comprehensive diagnostics and repair, making them a strong choice for everything from EcoTec engine issues to advanced electronics in Denali models and towing system maintenance.

1235 N 7th Avenue, Bozeman, MT 59715

Specialties & Features

EcoTec engine diagnostics
Denali electronics
Towing package maintenance

Business Information

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

Performance Auto & Diesel

4.4
(90 reviews)
Verified

A specialized shop focusing on performance, maintenance, and repair of diesel and 4WD vehicles. They are known for their hands-on, problem-solving approach and have ASE-certified technicians with specific experience in GM platforms. They are a solid choice for 4WD system service and custom towing solutions.

800 Industrial Drive, Bozeman, MT 59715

Specialties & Features

4WD system service
Diesel performance tuning
Transmission service

Business Information

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

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

** The GMC repair market serving Dayton, Montana, is characterized by high-quality, independent specialists rather than a high volume of competitors. As a rural community, residents and businesses rely heavily on robust, capable vehicles like GMC Sierras and Yukons, creating a demand for expert-level service. The market is not saturated, but the few reputable shops are exceptionally busy, especially during peak seasons for agriculture and recreation. * **Average Quality:** The quality of specialized service is generally high, as shops must be proficient in a wide range of complex systems to survive. General mechanics are less common for these specific needs. * **Competition Level:** Competition is moderate but specialized. Shops compete on reputation, technical expertise, and turnaround time rather than price. Customers are often willing to drive to Livingston or Bozeman for a trusted specialist. * **Typical Pricing:** Labor rates are competitive with national averages but can be higher for diesel and transmission specialists due to the required expertise and equipment. Expect to pay between $120 - $160 per hour for labor. Parts pricing is typically at retail, but reputable shops often have access to OEM or high-quality aftermarket suppliers. **Note:** While there is no dedicated GMC dealership in Dayton itself, the providers listed have established themselves as the de facto experts for these vehicles in the region, often drawing customers from a wide geographic area. It is always recommended to call ahead for an appointment due to high demand.

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 Dayton regulations and climate