The Best GMC Repair in Mildred, MT

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

#1

B&L Automotive & Diesel

4.8
(187 reviews)
Verified

A family-owned and operated shop renowned as the area's premier diesel performance and repair center. They are the go-to experts for complex Duramax diagnostics, performance tuning, and Allison transmission rebuilds. Their technicians have direct experience with HD truck suspensions and modern GMC electronics.

324 Industrial Drive, Lewistown, MT 59457 (Approx. 35 miles from Mildred)

Specialties & Features

Duramax diesel performance and repair
Allison transmission rebuilds
Heavy-duty suspension lifts and leveling kits

Business Information

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

Pro-Tech Automotive

4.6
(243 reviews)
Verified

A well-established, full-service shop known for its advanced diagnostics and commitment to continuing technician education. They have specific certifications for GM electronics and are highly skilled in addressing issues with Denali infotainment systems, driver assistance features, and integrated towing controls.

1101 Central Avenue, Lewistown, MT 59457 (Approx. 33 miles from Mildred)

Specialties & Features

GM/Chevy electronics and diagnostics
EcoTec3 engine service
Towing package and trailer brake controller repair

Business Information

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

Lewistown Tire & Auto Service

4.4
(312 reviews)
Verified

While a broader-service shop, they have a dedicated truck and 4WD service department with an excellent local reputation. They are a practical choice for routine but specialized maintenance like 4WD system service, fluid changes for Allison transmissions, tire and wheel packages for HD trucks, and pre-towing season inspections.

845 East Main Street, Lewistown, MT 59457 (Approx. 32 miles from Mildred)

Specialties & Features

4WD system service and repair
Allison transmission fluid service
Heavy-duty tire and wheel packages

Business Information

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

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

The GMC repair market for residents of Mildred, Montana, is characterized by a necessity to travel to larger service hubs like Lewistown for specialized care. There are no dedicated GMC dealerships or specialist shops within Mildred itself. The market in the broader region is moderately competitive, with a few key players dominating the high-skill sectors like diesel and transmission work. Pricing is typical for rural Montana, with labor rates generally lower than in major metropolitan areas but with a premium charged for specialized diesel and electronic diagnostics. The overall quality of service available is quite high, as these shops cater to a clientele that depends heavily on reliable truck performance for agriculture, ranching, and commerce. For basic maintenance, local general mechanics may suffice, but for the specific specialties requested, the providers listed above represent the top tier of service and expertise accessible to the Mildred community.

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 Mildred regulations and climate