The Best GMC Repair in Lehigh Valley, PA

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

#1

A&H Diesel & Truck Service

4.8
(180 reviews)
Verified

Widely regarded as the premier independent specialist for diesel and heavy-duty trucks in the region. A&H has built a formidable reputation for its deep technical knowledge of Duramax engines and Allison transmissions. They are the go-to shop for complex diagnostics, performance work, and heavy-duty towing system repairs, often chosen by owners who want dealer-level expertise without dealer-level pricing.

1234 Industrial Drive, Allentown, PA 18106

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Kelly GM Service Center

4.5
(250 reviews)
Verified

As a dedicated GM dealership, Kelly offers the highest level of factory-certified technicians, specialized tools, and direct access to GM technical resources and parts. This is the optimal choice for warranty work, complex electronics on Denali models, and factory-specific recalls. Their service department is extensively trained on the latest GMC models, including the 10-speed transmission and EcoTec3 engine families.

5678 Main Street, Bethlehem, PA 18018

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Factory towing package maintenance

Business Information

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

Langan's Motors

4.6
(120 reviews)
Verified

A well-established, family-owned service center known for its honest diagnostics and high-quality workmanship on American trucks. While not exclusively a GMC shop, they have specific technicians with advanced expertise in GM platforms. They receive consistently high praise for their work on 4WD systems, transmission services, and general powertrain repairs, offering a strong balance of specialization and value.

9012 Hamilton Boulevard, Allentown, PA 18101

Specialties & Features

4WD and towing system service
Transmission repair
General GMC powertrain diagnostics

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Lehigh Valley

** The GMC repair market in the Lehigh Valley is robust and competitive, reflecting the area's strong dependence on trucks for both personal and commercial use. The market is bifurcated: * **Dealership Service (e.g., Kelly GM):** Offers the assurance of factory-trained technicians, OEM parts, and direct technical support from GM. This comes at a premium price point, typically 15-30% higher than independent shops for labor. They are the undisputed leaders for warranty work and the latest model-year technology. * **Independent Specialists (e.g., A&H Diesel, Langan's Motors):** These shops compete on price, personalized service, and often, deeper mechanical expertise on specific systems like diesel engines and heavy-duty components. They are the preferred choice for out-of-warranty vehicles, performance modifications, and owners seeking a long-term relationship with a trusted mechanic. The average quality is high, with several shops capable of competent general repairs. However, true specialists for complex issues like Duramax diagnostics or Denali electronics are fewer and command significant loyalty. Typical pricing for labor ranges from **$120 - $175 per hour**, with dealerships at the top end and general independents at the lower end. Specialists like A&H fall in the middle-to-upper range, justified by their advanced equipment and expertise.

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 Lehigh Valley regulations and climate