Top 3 GMC Repair Shops in Washington

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

#1

C & C Automotive & Diesel

4.8
(240 reviews)
Verified

Widely regarded as the premier diesel and drivetrain specialist in Southern Utah. They have built a stellar reputation for complex diagnostics and repairs on Duramax engines and Allison transmissions. Their technicians are known for their depth of knowledge and are frequently recommended for heavy-duty trucks and serious towing rigs.

369 E. Telegraph St., Washington, UT 84780

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Stephenson Auto & Diesel Repair

4.7
(180 reviews)
Verified

A family-owned and operated shop with a strong focus on both domestic and diesel vehicles. They receive consistent praise for their honest diagnostics, high-quality workmanship, and expertise in 4WD systems and engine performance. They are a top choice for GMC owners seeking reliable service from a trusted local business.

145 N. 3050 E., St. George, UT 84790 (Serves the Washington area directly)

Specialties & Features

EcoTec engine diagnostics
4WD and towing system service
General GMC maintenance

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

G&M Transmission and Auto Repair

4.6
(190 reviews)
Verified

While their name highlights transmissions, this shop provides comprehensive automotive repair with exceptional expertise in Allison transmissions and the newer GM 10-speed units. They are a go-to for complex transmission issues that general shops may not tackle. They also handle full-service maintenance and repairs for the entire GMC lineup.

264 N. 1400 W., St. George, UT 84770 (A short drive from Washington)

Specialties & Features

Allison
10-speed transmission repair
Towing package maintenance
Drivetrain service

Business Information

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

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

** The GMC repair market in Washington, Utah, is robust and highly competitive, driven by the area's affinity for trucks, trailers, and outdoor recreation. The average quality of service is high, with several shops specializing in the complex needs of modern GMC vehicles, particularly Duramax and Allison systems. **Competition Level:** High. There is a healthy mix of dealerships and strong independent specialists. To compete, shops must demonstrate specific expertise, as GMC owners are often knowledgeable and demand high-quality work, especially for diesel and towing-related services. **Typical Pricing:** Pricing is competitive but reflects the specialized nature of the work. Expect to pay a premium for diesel engine diagnostics and transmission overhauls compared to general automotive repair. Hourly labor rates typically range from $130-$165/hour for these specialists, which is justified by their advanced training, proprietary tools, and the complexity of the systems they service.

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 Washington regulations and climate