The Best GMC Repair in White Post, VA

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

#1

Coleman's Repair & Sales

4.8
(180 reviews)
Verified

A family-owned and operated business with a stellar reputation for specializing in GM trucks and diesel service. They are known for their deep technical knowledge, honest diagnostics, and ability to handle everything from routine EcoTec maintenance to complex Duramax and Allison overhauls. They frequently work on heavy-duty pickups and SUVs used for farming and towing in the region.

3550 Northwestern Pike, Winchester, VA 22603 (Approx. 7 miles from White Post)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Shenandoah Transmission & Auto Repair

4.6
(150 reviews)
Verified

While "Transmission" is in their name, this shop has evolved into a full-service GM and truck specialist. They have specific expertise with the Allison 1000 series and newer 10-speed transmissions, making them a go-to for powertrain issues. They also handle comprehensive 4WD system service and towing package electrical diagnostics.

3431 Valley Ave, Winchester, VA 22601 (Approx. 10 miles from White Post)

Specialties & Features

Allison
10-speed transmission repair
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

Powell's Service Center

4.7
(90 reviews)
Verified

A highly respected, smaller shop known for its personalized service and expert diagnostics. They have strong competencies in the full range of GMC vehicles, from the Sierra 1500 with EcoTec engines to the Denali line, with a focus on integrating luxury electronics and infotainment system repairs with mechanical service.

100 S Buckmarsh St, Berryville, VA 22611 (Approx. 6 miles from White Post)

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
General GMC mechanical service

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in White Post

** The GMC repair market serving White Post, VA, is characterized by a cluster of high-quality, independent specialist shops rather than a high volume of generic mechanics. Due to the rural and agricultural nature of the Northern Shenandoah Valley, there is significant demand for expertise in diesel engines, heavy-duty suspensions, and towing systems. The competition is strong among these specialists, driving a high standard of quality and technical knowledge. Customers are typically well-informed and value long-term relationships with trustworthy mechanics. **Average Quality:** The average quality of GMC-specific repair is high, with several shops boasting master technicians with GM-specific training and decades of experience. **Competition Level:** Moderate to high among specialists. While there are fewer shops than in a large city, the ones that exist compete directly on reputation and technical specialization rather than price. **Typical Pricing:** Pricing is competitive but reflects the specialized nature of the work. Expect labor rates in the $120-$150/hour range. Duramax injector or Allison transmission work can easily run into the thousands of dollars, but customers report high satisfaction with the value received due to the quality of workmanship and durability of the 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 White Post regulations and climate