The Best GMC Repair in Williamsport, PA

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

#1

Sutliff GMC

4.5
(180 reviews)
Verified

As the area's premier authorized GMC dealership, Sutliff GMC offers the highest level of factory-specific service. Their service center is staffed by GM-certified technicians with direct access to the latest technical service bulletins, specialized tools, and genuine GM parts. This is the definitive destination for complex electrical issues, warranty work, and maintaining factory specifications on Denali models and advanced drivetrains.

1919 E 3rd St, Williamsport, PA 17701

Specialties & Features

Denali luxury/electronics
Allison transmission repair
EcoTec engine diagnostics

Business Information

Years in Business:50 years
Licensed:Yes
Insured:Yes
#2

K&R Service Center

4.8
(150 reviews)
Verified

A highly respected independent shop with a stellar reputation for tackling complex mechanical work, especially on diesel and heavy-duty platforms. K&R is frequently recommended by local truck owners for their expertise in Duramax engine performance, transmission servicing, and suspension work. They are known for their thorough diagnostics, high-quality workmanship, and personalized service.

334 Rose St, Williamsport, PA 17701

Specialties & Features

Duramax diesel service
Heavy-duty truck suspension
Towing package maintenance

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Carney's Service Center

4.6
(90 reviews)
Verified

A well-established, family-owned auto repair center known for its honesty and technical competence across a wide range of vehicles. They have built a strong reputation for dependable transmission work and 4WD system service, making them a reliable choice for GMC owners, particularly those with Sierra and Canyon models used for work and recreation.

2317 E 3rd St, Williamsport, PA 17701

Specialties & Features

Transmission repair (Allison
10-speed)
4WD diagnostics
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 Williamsport

The GMC repair market in Williamsport, PA, reflects its surrounding region—a mix of rural, commercial, and residential needs. The demand for competent service on trucks, especially diesel-powered and heavy-duty models used for towing and farming, is high. The market is moderately competitive, dominated by the authorized dealership (Sutliff GMC) and a handful of highly capable independent shops. **Average Quality:** The quality is generally good to excellent, with several shops possessing deep, specialized knowledge. The independents often compete on personalized service and pricing, while the dealership provides the assurance of factory training and OEM parts. **Competition Level:** Moderate. There is a clear tiered structure. The dealership handles the bulk of newer, warranty, and complex electronic work. Top-tier independents like K&R and Carney's successfully compete for the loyalty of owners of out-of-warranty vehicles by offering expert-level service at more competitive labor rates. **Typical Pricing:** Labor rates are competitive for the region. The dealership typically commands the highest hourly rate, followed by the specialized independents. For complex jobs like a Duramax injector replacement or an Allison transmission rebuild, customers can expect a significant investment, but the presence of reputable independents helps keep pricing fair. Parts pricing will be highest at the dealership for genuine GM parts, but independents offer quality aftermarket and OEM-equivalent options.

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 Williamsport regulations and climate