Top 3 GMC Repair Shops in Port Jefferson

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

#1

Kline's Service Center

4.7
(180 reviews)
Verified

A family-owned and operated automotive center with a long-standing reputation for honesty and expertise in domestic trucks. They are known for their deep diagnostic capabilities, particularly with complex drivetrain and engine issues common in GMC Sierra and Denali models. Their technicians have extensive experience with GM platforms.

1201 Michigan St, Sidney, OH 45365

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty suspension

Business Information

Years in Business:25 years
Licensed:Yes
Insured:Yes
#2

Buckland Diesel & Auto Repair

4.6
(120 reviews)
Verified

As the name implies, this shop has a strong focus on diesel performance and repair, making them a prime choice for Duramax owners. They handle everything from routine maintenance and emissions system repairs to performance tuning. They are also well-versed in the 10-speed automatic transmissions and towing system diagnostics.

207 N Broadway St, New Bremen, OH 45869

Specialties & Features

Duramax diesel service
Towing package maintenance
EcoTec engine diagnostics

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Wapak Auto & Truck Repair

4.4
(90 reviews)
Verified

A full-service shop with a dedicated commercial truck and heavy-duty division. They have the equipment and technical knowledge to handle the full spectrum of GMC repairs, from luxury Denali electronic features to the robust chassis and 4WD systems of the 2500/3500 series trucks.

1000 Bellefontaine St, Wapakoneta, OH 45895

Specialties & Features

4WD and towing system service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Why These Are the Top GMC Repair Auto Repair Shops in Port Jefferson

** The GMC repair market for Port Jefferson, Ohio, and the greater Shelby/Auglaize County region is characterized by a reliance on established, multi-generational, independent repair shops rather than a high volume of specialized chains. Due to the rural and agricultural nature of the area, expertise in diesel engines, heavy-duty suspensions, and towing systems is a common and critical strength among the top-tier providers. Competition is strong among these high-quality independents, who compete on reputation and specialized skill rather than price alone. Consumers are typically knowledgeable about their trucks and seek out shops with proven expertise, particularly for complex issues with Duramax engines and Allison transmissions. Pricing is generally in line with mid-west averages, with diesel and transmission work commanding a premium due to the required specialization. For routine maintenance, residents may use local general mechanics, but for the specialized services listed, they are highly likely to travel to the nearby commercial centers of Sidney, Wapakoneta, or New Bremen for expert care.

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 Port Jefferson regulations and climate