The Best GMC Repair in Mayport, PA

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

#1

St. Clair Automotive

4.8
(180 reviews)
Verified

A family-owned and operated full-service garage with a reputation for honesty and deep technical expertise, particularly with American trucks and SUVs. They are known for taking on complex diagnostics and repairs that other shops turn away, including diesel performance and transmission work.

12451 Route 322, Shippenville, PA 16254 (Approx. 10 miles from Mayport)

Specialties & Features

Duramax diesel service
Allison transmission repair
Heavy-duty truck suspension

Business Information

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

Knepp's Auto & Truck Service

4.6
(110 reviews)
Verified

A well-established service center that explicitly advertises expertise in diesel engine repair and 4WD systems. They cater to both personal and light commercial vehicles, making them adept at handling heavy-duty GMC trucks like the Sierra 2500/3500 and their towing systems.

24561 Route 68, Clarion, PA 16214 (Approx. 12 miles from Mayport)

Specialties & Features

Diesel engine service
4WD and towing system service
EcoTec engine diagnostics

Business Information

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

S & S Auto Repair

4.5
(90 reviews)
Verified

A highly-rated local shop praised for its personalized service and fair pricing. While a general repair facility, their technicians have significant experience with GM vehicles. They are a strong choice for general maintenance, electrical diagnostics, and suspension work on GMC models, including Denali trims.

15953 Route 322, Shippenville, PA 16254 (Approx. 9 miles from Mayport)

Specialties & Features

General GMC service
towing package maintenance
suspension and electronics

Business Information

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

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

** The GMC repair market in the Mayport, PA region is characterized by a handful of highly skilled, independent shops rather than a high volume of specialized competitors. Due to the rural nature of Clarion County, these businesses have built their reputation on reliability and word-of-mouth over many years. The level of competition is moderate but quality is generally high among the top-tier providers, as they serve a clientele that depends heavily on their trucks for work and daily life. **Typical Pricing:** Pricing is typically lower than metropolitan dealerships but is competitive among the local top shops. Expect labor rates in the $100-$130/hour range. For specialized diesel (Duramax) or transmission (Allison) work, the labor rate may be at the higher end of this scale due to the required expertise and tooling. Customers report fair and transparent quoting practices from the leading shops listed. For the most complex electronics or luxury feature issues on Denali models, residents often face a choice between these trusted local experts and the official dealerships located in larger cities like Butler or Erie.

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 Mayport regulations and climate