The Best GMC Repair in Hays, MT

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

#1

Havre Auto Center

4.6
(180 reviews)
Verified

A full-service dealership and the primary GM authority in the region. As an official GMC dealer, they have direct access to factory-trained technicians, genuine GM parts, and the latest diagnostic software. They are the go-to for complex electrical issues, warranty work, and all services specific to Denali trim levels and modern powertrains.

1940 US Hwy 2 NW, Havre, MT 59501

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali electronics
programming

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Hi-Line Auto Electric & Repair

4.7
(95 reviews)
Verified

A highly-regarded independent shop known for its technical expertise, particularly in electrical systems and diesel performance. They are a trusted alternative to the dealership for complex diagnostics, towing system repairs, and performance upgrades for Duramax engines. Their technicians are known for their problem-solving skills on older and newer GM trucks alike.

417 1st St, Havre, MT 59501

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
4WD and electrical systems

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Big Rig Trucks & Diesel

4.5
(70 reviews)
Verified

While they service heavy commercial trucks, this shop has a dedicated bay for consumer-grade heavy-duty pickups. They are experts in the mechanical aspects of Duramax engines and heavy-duty truck suspensions. They are the preferred choice for owners who use their GMC 2500/3500 trucks for severe towing, farming, or construction and need robust, no-nonsense mechanical service.

501 6th Ave, Havre, MT 59501

Specialties & Features

Heavy-duty truck suspension
Duramax diesel service
drivetrain
4WD service

Business Information

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

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

The GMC repair market for Hays, Montana, is characterized by its reliance on the larger service hub of Havre (approximately a 30-45 minute drive). There are no dedicated GMC-specific repair shops within Hays itself. The market in the broader region is moderately competitive, with a clear tiered structure: * **The Authorized Dealer (Havre Auto Center)** holds the top position for brand-specific technology, warranty work, and access to OEM parts. Their pricing is typically at a premium but is justified by factory certifications and specialized equipment. * **Expert Independents (Hi-Line Auto Electric, Big Rig)** compete effectively on price for labor and offer deep, often more personalized, mechanical and electrical expertise. They cater to owners of out-of-warranty vehicles and those seeking performance or heavy-use modifications. Average labor rates in the region range from $110-$150 per hour. The quality of service is generally high, as these businesses have built long-term reputations in a close-knit rural community where word-of-mouth is paramount. For a resident of Hays, accessing top-tier GMC repair requires a short drive to Havre, where a full spectrum of services from luxury electronics to heavy-duty diesel repair is available.

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 Hays regulations and climate