The Best GMC Repair in Sumerduck, VA

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

#1

C & C Auto and Truck Repair

4.8
(180 reviews)
Verified

A highly reputable, family-owned shop known for its technical expertise with diesel engines and heavy-duty trucks. They have built a strong reputation for honest diagnostics and quality workmanship, particularly on Duramax engines and Allison transmissions. They are a go-to for local contractors, farmers, and truck owners who need reliable performance.

290 W Shirley Ave, Warrenton, VA 20186

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Warrenton Auto & Truck Service

4.6
(250 reviews)
Verified

A well-established, full-service shop with a long history of serving Fauquier County. They offer a comprehensive range of services from routine maintenance to major engine and drivetrain repairs. They are known for their experienced technicians who are proficient with modern diagnostics, including GMC's EcoTec engines and complex electronic systems.

251 W Lee Hwy, Warrenton, VA 20186

Specialties & Features

EcoTec engine diagnostics
Transmission repair
4WD and towing system service

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#3

Auto Truck Service of Culpeper Inc.

4.7
(90 reviews)
Verified

While a short drive from Sumerduck, this shop is a dedicated heavy-duty and medium-duty truck specialist. Their focus is explicitly on the systems critical for work trucks, including diesel performance, towing package integrity, and suspension upgrades for payload. This makes them an excellent choice for owners of GMC Sierra 2500/3500 trucks used for serious towing and hauling.

602 Sperryville Pike, Culpeper, VA 22701

Specialties & Features

Diesel engine service
Towing package maintenance
Heavy-duty truck suspension

Business Information

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

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

The GMC repair market serving Sumerduck, VA, is characterized by a reliance on reputable independent shops in neighboring towns like Warrenton and Culpeper. There are no dedicated GMC dealerships within a close radius, creating a niche filled by skilled independent technicians. The average quality of service is high, as these businesses survive on reputation and word-of-mouth in a close-knit community. Competition is moderate but specialized. While there are several general mechanics, only a handful of shops possess the specific equipment, certifications (such as ASE), and experience to expertly handle Duramax diesel, Allison transmissions, and advanced 4WD systems. Typical pricing is competitive with regional averages; expect to pay $120-$160 per hour for labor. For major diesel or transmission work, customers should anticipate higher costs reflective of the specialized expertise and parts required. Owners of Denali trims or newer models with complex electronics will find the most capable service at the providers listed above, who invest in ongoing technician training.

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 Sumerduck regulations and climate