The Best GMC Repair in Middleburg, PA

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

#1

Stetler Diesel & Auto Repair

4.8
(180 reviews)
Verified

A family-owned and operated business with a stellar reputation for expertise in diesel performance and repair. They are widely recognized as the go-to specialists for complex Duramax diesel engine work, from routine maintenance to major performance upgrades and diagnostics. Their technicians are highly trained on modern GMC truck systems.

6125 Selinsgrove Bypass, Selinsgrove, PA 17870

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

K&R Performance Auto & Truck

4.6
(130 reviews)
Verified

Known for comprehensive diagnostics and repair on both gas and diesel-powered GM vehicles. They have a strong focus on transmission services, including the Allison series, and are well-equipped to handle the sophisticated electronics and luxury features found in GMC Denali models. They also emphasize 4WD system service and towing package maintenance.

2642 Old Trail Rd, Lewisburg, PA 17837

Specialties & Features

Allison transmission repair
Denali luxury features and electronics
4WD and towing system service

Business Information

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

Dave's Automotive

4.7
(200 reviews)
Verified

A long-standing, trusted name in the local automotive repair scene. While not exclusively a diesel shop, they have deep institutional knowledge of GM vehicles and are highly proficient in EcoTec engine diagnostics, general transmission service, and all-around GMC maintenance. They are praised for honest service and are a reliable choice for non-diesel GMC models and routine specialist work.

1201 N 4th St, Selinsgrove, PA 17870

Specialties & Features

EcoTec engine diagnostics
Transmission repair
General GMC service and maintenance

Business Information

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

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

** The GMC repair market in the Middleburg area is characterized by a handful of highly competent, independent shops located in neighboring commercial centers like Selinsgrove and Lewisburg, rather than within Middleburg's borough limits itself. The competition is moderate but of a high quality, with these established providers having built their reputations over decades. Customers benefit from a choice between ultra-specialized diesel performance shops (like Stetler Diesel) and broader-scope, highly reputable generalists with deep GM expertise (like Dave's Automotive). Pricing is typically 20-30% lower than dealership service departments while often providing a higher level of specialized, personalized service, especially for diesel and transmission work. For owners of heavy-duty Duramax-powered GMCs or Denali models with complex electronics, seeking out these specialists is considered the standard and provides a significant advantage over generic repair shops.

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 Middleburg regulations and climate