The Best GMC Repair in Dagmar, MT

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

#1

Plentywood Tire & Auto

4.7
(89 reviews)
Verified

A full-service automotive and truck repair center known for its experienced technicians and reliable service on domestic vehicles. They are the go-to shop in Sheridan County for complex diagnostics and heavy-duty truck maintenance, serving both agricultural and personal vehicle needs.

100 E 1st Ave W, Plentywood, MT 59254

Specialties & Features

Duramax diesel service
Allison transmission repair
4WD and suspension service

Business Information

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

Wolf Point Auto & Diesel

4.5
(142 reviews)
Verified

This well-established shop in the larger community of Wolf Point has a strong reputation for handling the toughest jobs on the high plains. They feature a dedicated diesel bay and technicians with specific training in GM powertrains, making them a regional destination for Duramax and Allison service.

314 US Hwy 2 E, Wolf Point, MT 59201

Specialties & Features

Diesel engine service (Duramax)
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Sheridan County Repair

4.8
(64 reviews)
Verified

A highly-rated, smaller shop that focuses on quality over quantity. Known for personalized service and deep technical knowledge, especially with GM electronics and powertrain diagnostics. They are a trusted local option for EcoTec engine issues and general GMC maintenance.

305 N Main St, Plentywood, MT 59254 (Serving all of Sheridan County, including Dagmar)

Specialties & Features

EcoTec engine diagnostics
General GMC service and repair
Electrical system diagnostics

Business Information

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

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

** The GMC repair market serving Dagmar, Montana, is characterized by a small number of highly dependable, generalist shops that have developed specialized expertise out of necessity. Due to the rural, agricultural nature of the region, these providers are accustomed to working on heavy-duty trucks, diesel engines, and 4WD systems. There are no dealerships within a 2-hour drive, so these independent shops fill a critical role. **Competition** is low in terms of volume but high in terms of reputation; a shop's standing in the community is its most valuable asset. The **average quality** of service is very high, as these businesses rely on word-of-mouth and cannot afford to deliver subpar work. **Typical pricing** is competitive and often perceived as more reasonable than dealerships in larger cities, though labor rates reflect the specialized skills required for modern GMC trucks. Customers should expect a practical, no-frills service experience focused on getting their vehicle back on the road reliably. For highly complex Denali electronics or transmission rebuilds, residents are often referred to the specialists in Wolf Point or willing to travel to larger cities like Williston, ND.

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 Dagmar regulations and climate