The Best GMC Repair in Northumberland, PA

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

#1

Kocher's GMC & Auto Repair

4.7
(180 reviews)
Verified

A long-standing, family-owned business with a stellar reputation for specializing in GM vehicles. They are known for their deep technical knowledge, particularly with diesel engines and complex transmissions. Their technicians have direct training and experience with the full range of GMC trucks, from heavy-duty Duramax models to Denali trims.

901 N 4th St, Sunbury, PA 17801

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

Years in Business:40 years
Licensed:Yes
Insured:Yes
#2

Sunbury Motor Company

4.5
(120 reviews)
Verified

While a full-scale dealership, their service department is the most directly credentialed for GMC vehicles in the area. They have factory-trained technicians, direct access to OEM parts, and specialized diagnostic tools for all GMC systems, including the latest electronics in Denali models and factory towing packages.

3285 N Susquehanna Trail, Sunbury, PA 17801

Specialties & Features

Denali luxury features and electronics
EcoTec engine diagnostics
Towing package maintenance

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#3

Kline's Service Center

4.3
(90 reviews)
Verified

A reputable independent shop known for its honest diagnostics and high-quality work on domestic trucks. They have developed a strong niche in servicing 4WD systems and performing maintenance related to towing and hauling, making them a excellent choice for GMC owners who use their trucks for work and recreation.

241 Susquehanna Ave, Sunbury, PA 17801

Specialties & Features

4WD and towing system service
Transmission repair
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 Northumberland

** The GMC repair market in the Northumberland area is characterized by a few highly reputable, long-standing businesses rather than a high volume of competition. The proximity to Sunbury provides residents with quality options. The average quality of service is considered good to high, with several shops boasting multi-decade legacies, indicating strong community trust. Pricing is tiered: dealership services (Sunbury Motor Company) command a premium for OEM parts and factory-certified expertise, while top-tier independents (Kocher's, Kline's) offer competitive, often lower rates while still providing specialist-level service for core GMC systems like Duramax and Allison. For a major service like a transmission rebuild or diesel injector replacement, customers should expect a significant investment reflective of the complex technology involved. Overall, a GMC owner in this region has access to competent and specialized care without needing to travel to a larger metropolitan area.

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 Northumberland regulations and climate