The Best GMC Repair in Harrisonburg, VA

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

#1

Harrisonburg Auto Truck & Diesel

4.8
(180 reviews)
Verified

Widely regarded as the premier specialist for heavy-duty and diesel trucks in the Shenandoah Valley. They have built a formidable reputation for deep technical expertise, particularly with complex drivetrain and engine issues. Their technicians are known for tackling problems that other shops turn away.

1430 E Market St, Harrisonburg, VA 22801

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

Coleman's Auto & Truck Repair, Inc.

4.7
(250 reviews)
Verified

A long-standing, family-owned business known for its honesty and high-quality workmanship. While they service all makes and models, they have a dedicated truck service bay and technicians with significant experience in GMC powertrains, 4WD systems, and the electrical complexities of Denali trims.

1350 Carlton Ave, Harrisonburg, VA 22801

Specialties & Features

4WD and towing system service
EcoTec engine diagnostics
Denali luxury features and electronics

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

GMC Harrisonburg (Sheehy GMC of Harrisonburg)

4.5
(300 reviews)
Verified

The authorized dealership and the only provider with factory-trained GMC technicians and direct access to the latest technical service bulletins, specialized tools, and OEM parts. This is the definitive source for warranty work, complex electronic diagnostics, and ensuring repairs meet exact factory specifications.

3860 University Blvd, Harrisonburg, VA 22801

Specialties & Features

Denali luxury features and electronics
factory towing package maintenance
Allison
10-speed transmission service

Business Information

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

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

** The GMC repair market in Harrisonburg is robust, reflecting the area's reliance on trucks for both personal and commercial use. The quality of service is generally high, with a clear distinction between providers. * **Average Quality & Competition:** The market is competitive, dominated by a few highly reputable independents and the established dealership. The top independents (like Harrisonburg Auto Truck & Diesel and Coleman's) compete directly with the dealership on price for out-of-warranty work, often offering significant savings while maintaining excellent quality. General repair shops exist but lack the specialized equipment and focused expertise for complex GMC-specific issues, particularly with Duramax and Allison systems. * **Typical Pricing:** Pricing follows a standard tiered structure. The dealership (Sheehy GMC) commands the highest labor rates but offers the assurance of OEM parts and factory-specific training. The specialized independents offer moderately high but competitive labor rates, justified by their expertise. General mechanics are the lowest cost but are a gamble for the specialized services you've listed. For a complex diesel injector replacement or transmission rebuild, customers should expect a significant investment regardless of the top-tier provider chosen.

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 Harrisonburg regulations and climate