The Best GMC Repair in Elco, PA

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

#1

J&J Diesel & 4x4

4.8
(240 reviews)
Verified

A highly regarded, family-owned shop renowned for its deep expertise in diesel performance and repair. They are the go-to specialists for complex Duramax diagnostics, performance tuning, and heavy-duty drivetrain work. Their technicians have direct experience with Allison transmissions and modern GMC towing systems.

1252 National Pike West, Waynesburg, PA 15370

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

M&S Automotive

4.6
(180 reviews)
Verified

A well-established, full-service garage with a strong reputation for electrical diagnostics and transmission work. They are a trusted name for servicing the advanced electronics in GMC Denali models and are one of the few independent shops in the region equipped to handle 10-speed transmission service and programming.

165 West High Street, Waynesburg, PA 15370

Specialties & Features

Allison
10-speed transmission repair
Denali luxury features and electronics
EcoTec engine diagnostics

Business Information

Years in Business:22 years
Licensed:Yes
Insured:Yes
#3

Nemacolin Truck & Auto

4.4
(90 reviews)
Verified

Located conveniently for the I-79 corridor, this shop provides comprehensive service for all GM trucks. They excel in general maintenance and repair of 4WD systems, towing package components, and suspension work for both light-duty and heavy-duty GMC models, offering a solid, dependable alternative to the dealership.

374 Valley View Road, Waynesburg, PA 15370

Specialties & Features

4WD and towing system service
Towing package maintenance
EcoTec engine diagnostics

Business Information

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

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

** The GMC repair market serving Elco, PA, is characterized by a reliance on reputable independent shops in larger neighboring towns like Waynesburg, rather than a high concentration of specialists within the borough itself. The competition is moderate but of notably high quality, with several long-standing businesses having built strong local reputations over decades. These shops successfully compete with dealerships by offering deeper technical expertise in specific areas (especially diesel and transmission) and more personalized service, often at a 20-30% lower labor rate. Typical pricing for specialized work is competitive for Southwestern Pennsylvania; a Duramax injector replacement may range from $2,500-$4,000, while an Allison transmission service is typically $250-$400. Customers generally report high satisfaction with the technical knowledge and workmanship available locally, eliminating the need to travel to Pittsburgh for all but the most niche services.

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 Elco regulations and climate