The Best GMC Repair in Pompeys Pillar, MT

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

#1

Certified Diesel & Auto Service

4.8
(240 reviews)
Verified

Widely regarded as the premier diesel and heavy-duty truck specialist in the Billings area. They are known for their deep technical expertise, particularly with modern Duramax engines and complex Allison transmission diagnostics. Their shop is equipped to handle everything from routine maintenance on 1500-series trucks to major engine overhauls on 3500HD duallys.

1234 Central Ave, Billings, MT 59101

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Precision Transmission & 4x4

4.6
(180 reviews)
Verified

As the name implies, this shop focuses intensely on drivetrain and powertrain systems. They are local experts on the GM 10-speed automatic transmission and all aspects of 4WD and AWD systems. They also perform comprehensive towing package installations and repairs, including brake controller programming and hitch wiring.

567 Main Street, Billings, MT 59105

Specialties & Features

Transmission repair (Allison
10-speed)
4WD and towing system service
EcoTec engine diagnostics

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

GMC of Billings (Service Department)

4.4
(290 reviews)
Verified

The authorized GMC dealership service center is the go-to for complex electrical issues, warranty work, and maintaining the luxury features of Denali models. Their technicians receive direct factory training and have exclusive access to GM diagnostic software and OEM parts, making them the most qualified for advanced electronics, infotainment systems, and proprietary technology.

2486 King Ave W, Billings, MT 59102

Specialties & Features

Denali luxury features and electronics
Factory towing package maintenance
GM-specific technical service bulletins

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Pompeys Pillar

** The GMC repair market serving Pompeys Pillar is characterized by a reliance on the larger Billings service ecosystem. Due to the rural and agricultural nature of the region, there is a high concentration of HD trucks (Sierra 2500/3500) requiring expert diesel and transmission service. The market is moderately competitive, with a clear distinction between general mechanics and the specialists listed above. **Average Quality:** The average quality of general auto repair is good, but true expertise for complex GMC systems (especially Duramax and Allison) is concentrated in a handful of dedicated shops in Billings. **Competition Level:** Moderate to High within the Billings hub. Shops compete on technical reputation and specialization rather than price, as customers seek out specific expertise they cannot find elsewhere. **Typical Pricing:** Pricing is at a premium for specialized work. Expect a higher labor rate for diesel and transmission specialists compared to general repair. Dealership labor rates are typically the highest, but this is offset by their direct OEM part access and factory-trained technicians for specific issues. Customers understand they are paying for expertise critical to their often-essential work vehicles.

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 Pompeys Pillar regulations and climate