Top 3 GMC Repair Shops in Newcastle

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

#1

Newcastle Service Center

4.7
(110 reviews)
Verified

A long-standing, family-owned full-service garage and the primary automotive service provider located directly in Newcastle. They are known for honest diagnostics and reliable work on domestic trucks, including GMC. While not an exclusive GMC specialist, they handle a high volume of local Sierra and Canyon models, performing everything from routine EcoTec service to complex diesel diagnostics and suspension work for the area's heavy-duty trucks.

205 Main St, Newcastle, UT 84756

Specialties & Features

EcoTec engine diagnostics
Heavy-duty truck suspension
General transmission service

Business Information

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

Cedar City Transmission & Diesel

4.8
(240 reviews)
Verified

This is the leading regional specialist for the most critical GMC powertrain components. They are highly recommended for complex Duramax engine service and are considered the authority on Allison transmission rebuilds and repairs in Southern Utah. Their technicians have advanced, brand-specific training and tools, making them the go-to for serious drivetrain and towing-related issues that are beyond the scope of a general mechanic.

1780 N Main St, Cedar City, UT 84721

Specialties & Features

Duramax diesel service
Allison transmission repair
Towing package maintenance

Business Information

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

Findlay Toyota Cedar City Service Center

4.5
(180 reviews)
Verified

While a Toyota dealership, this state-of-the-art service center is a key player in the local truck service market. Their technicians are factory-trained and certified, with expertise that directly translates to modern GMC vehicles, especially in electronics, advanced 4WD systems, and sophisticated diagnostics. They are an excellent choice for Denali owners requiring electrical or infotainment system repairs and for complex computer-controlled 4WD and towing system calibrations.

1235 S Main St, Cedar City, UT 84720

Specialties & Features

Denali luxury features and electronics
4WD system service
Advanced diagnostics

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in and around Newcastle, Utah, is characterized by a clear division of labor between a trusted local generalist and specialized providers in the nearby larger city. Due to Newcastle's small size and rural nature, there is no dedicated GMC dealership or exclusive GMC specialist within the town. The average quality of service is high, driven by a community that relies heavily on reliable trucks for work and recreation. * **Competition Level:** Competition is moderate but specialized. Newcastle Service Center handles the majority of local, day-to-day service needs. For more complex, brand-specific issues (especially with Duramax/Allison systems), residents willingly travel to Cedar City, where several shops compete on expertise rather than just price. * **Typical Pricing:** Pricing is competitive with national averages but can be higher for specialized diesel and transmission work. The local garage (Newcastle Service Center) typically offers lower labor rates, while the Cedar City specialists command premium rates justified by their advanced training, proprietary tools, and parts inventory. Dealership-level labor rates apply at Findlay Toyota's service center. * **Summary:** GMC owners in Newcastle are well-served by leveraging the local convenience and general expertise of Newcastle Service Center for most services, while relying on the established, high-quality specialists in Cedar City for major powertrain or complex electronic repairs.

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 Newcastle regulations and climate