The Best GMC Repair in Winnett, MT

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

#1

Central Montana Diesel & Repair

4.7
(180 reviews)
Verified

Widely regarded as the leading diesel and heavy-duty specialist in the region. They have a reputation for tackling complex diagnostics on modern Duramax engines and Allison transmissions. Their technicians are experienced with the demands of local agriculture and ranching, meaning they are well-versed in 4WD, towing, and suspension systems on HD GMC trucks.

1245 Industry Way, Lewistown, MT 59457

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension
towing

Business Information

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

Grizzly Automotive & Performance

4.5
(95 reviews)
Verified

A highly-rated independent shop known for its technical expertise on both gas and diesel powertrains. They are a strong alternative to the dealership, offering specialized service for EcoTec engines and advanced electronics, including infotainment systems common in Denali models. They also perform thorough towing package inspections and maintenance.

887 Central Avenue, Roundup, MT 59072

Specialties & Features

EcoTec engine diagnostics
Denali electronics
Towing package maintenance

Business Information

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

R&R Service Center

4.3
(130 reviews)
Verified

A long-standing, trusted local full-service garage. While not a dedicated GMC specialist, they have decades of experience working on all American brands and are a primary choice for Winnett residents for routine maintenance, brake service, and general repairs on GMC trucks. They are known for honesty and fair pricing.

101 Main Street, Winnett, MT 59087

Specialties & Features

General maintenance
4WD service
Brake
suspension work

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market servicing Winnett, MT, is characteristic of a remote rural area. There is no dedicated GMC dealership or high-volume specialist within the town itself. The market consists of one long-standing general repair shop (R&R Service Center) for basic needs, while residents routinely travel 40-70 miles to neighboring hubs like Lewistown and Roundup for more complex, brand-specific repairs. **Average Quality:** The quality of service is generally high, with shops building their reputation on reliability and trust within the small community. Technical expertise for advanced diagnostics (especially on Denali electronics) is the primary limiting factor, concentrated in the larger regional shops. **Competition Level:** Competition is low within Winnett but moderate among the regional specialists. Customers choose based on the specific repair needed, with a clear divide between general maintenance (local) and powertrain/technology expertise (regional). **Typical Pricing:** Labor rates are typically lower than in major Montana cities like Billings or Bozeman but are balanced by the potential for higher part costs and longer wait times due to logistics. Expect labor rates in the **$110 - $140/hour** range for the specialized regional shops. The local Winnett shop operates at a significantly lower rate, reflecting its general service scope.

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 Winnett regulations and climate