The Best GMC Repair in Hiller, PA

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

#1

J&S Diesel & Auto Repair

4.7
(180 reviews)
Verified

A highly regarded, family-owned shop known for its deep expertise in diesel performance and repair. They are the go-to specialists in the region for complex Duramax engine diagnostics, performance tuning, and Allison transmission servicing. Their technicians have direct experience with heavy-duty GMC trucks used for towing and farming.

412 Pittsburgh St, Uniontown, PA 15401

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Uniontown AutoMedics

4.5
(220 reviews)
Verified

This shop has built a strong reputation for its diagnostic capabilities, particularly with modern vehicle electronics and powertrains. They are a trusted provider for GMC owners, including those with Denali trims, addressing issues with infotainment systems, driver-assist features, and EcoTec engine problems that often stump less-equipped shops.

1252 National Pike, Uniontown, PA 15401

Specialties & Features

EcoTec engine diagnostics
Denali luxury features and electronics
Towing package maintenance

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

M & M Garage

4.3
(95 reviews)
Verified

A long-standing, reputable general repair shop with specific, well-documented expertise in 4WD systems and transmission work. They are a practical choice for Hiller residents needing reliable service on Allison transmissions, transfer case service, and differential work for GMC trucks and SUVs. They are known for honest assessments and quality workmanship.

658 Morgantown St, Uniontown, PA 15401

Specialties & Features

4WD and towing system service
Transmission repair (Allison)
General GMC maintenance

Business Information

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

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

** The GMC repair market serving Hiller, PA, is concentrated in the nearby city of Uniontown. Due to the rural and industrial nature of Fayette County, there is strong, inherent demand for competent truck repair, particularly for diesel and 4WD systems. The competition level is moderate, with a handful of shops possessing the specific expertise required for modern, complex GMC vehicles. The average quality is good, with a clear distinction between general mechanics and the few specialists who invest in the necessary training and equipment for diesel and electronic systems. Typical pricing reflects this specialization. Standard maintenance on EcoTec engines may be in line with regional averages ($90-$120/hr labor), while specialized Duramax or Allison transmission work commands a premium, often ranging from $130-$165 per hour. Customers are advised to seek shops with proven experience, as the complexity of these systems makes technician expertise the most critical factor in a successful and cost-effective repair.

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 Hiller regulations and climate