The Best GMC Repair in Portsmouth, VA

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

#1

Priority GMC of Portsmouth

4.4
(280 reviews)
Verified

As the area's official GMC dealership, Priority GMC offers the most comprehensive factory-trained service. Their technicians receive direct training and equipment from GM, making them the premier choice for complex electrical diagnostics, warranty work, and maintaining Denali luxury features. They have a dedicated commercial and heavy-duty service bay.

4000 High St W, Portsmouth, VA 23707

Specialties & Features

Duramax diesel service
Allison transmission repair
Denali electronics
features

Business Information

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

Coastal Diesel & Drivetrain

4.8
(130 reviews)
Verified

A highly-rated independent shop that has built a formidable reputation specifically on diesel and drivetrain expertise. They are a top alternative to the dealership for owners of heavy-duty Sierra trucks, offering deep mechanical knowledge of Duramax engines and Allison transmissions, often at a more competitive labor rate.

1020 Airline Blvd, Portsmouth, VA 23707

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

Brinson's Auto & Truck Service

4.6
(90 reviews)
Verified

A well-established, family-owned shop known for its honest diagnostics and high-quality work on both domestic cars and trucks. They have consistently strong reviews for handling a wide range of GMC issues, from EcoTec engine problems on Terrain and Acadia models to suspension and towing system service on full-size Sierras.

2626 Airline Blvd, Portsmouth, VA 23701

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
4WD service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in Portsmouth, Virginia, is robust and competitive, heavily influenced by the region's military, maritime, and industrial activity which creates high demand for capable trucks. The market is bifurcated: * **Dealership Dominance:** Priority GMC holds a strong position for factory-specific services, warranty repairs, and complex electronic diagnostics, particularly for newer models and Denali trims. Their pricing is typically at the premium end of the spectrum. * **Strong Independent Sector:** Shops like Coastal Diesel and Brinson's thrive by offering specialized, deep mechanical expertise for core GMC strengths (diesel, transmission, towing) at more accessible labor rates, attracting a loyal customer base of truck owners who prioritize proven results over a dealership stamp. Average quality is high, as shops must be competent with complex systems to remain competitive. Pricing is variable: standard mechanical work is competitively priced, while specialized diesel and transmission services command a premium across the board. Consumers have excellent choices whether they prioritize factory-certified technicians or seasoned independent specialists.

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 Portsmouth regulations and climate