Top 3 GMC Repair Shops in Delmar

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

#1

Delmarva Fleet Service & Repair

4.7
(180 reviews)
Verified

A highly respected, family-owned shop known for its deep expertise in both light-duty and heavy-duty trucks. They are the go-to specialists for complex diesel engine work, transmission overhauls, and fleet vehicle maintenance. Their technicians are known for tackling difficult diagnostics, especially on Duramax and EcoTec engines, and they have a strong reputation for honesty and quality workmanship.

38554 Bi-State Blvd, Delmar, DE 19940

Specialties & Features

Duramax diesel service
Allison transmission repair
heavy-duty truck suspension

Business Information

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

G & C Auto Center

4.5
(120 reviews)
Verified

A well-established, full-service auto repair center with a significant portion of their business dedicated to GM trucks and SUVs. They excel in general maintenance, electrical diagnostics, and transmission services. Customers frequently praise their customer service, fair pricing, and ability to work on a wide range of models from older GMC Sierras to newer Denali trims with complex electronics.

201 N Pennsylvania Ave, Delmar, DE 19940

Specialties & Features

EcoTec engine diagnostics
towing package maintenance
Denali electronics service

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Shoreline Truck & Auto (Salisbury, MD)

4.8
(250 reviews)
Verified

Located just minutes from Delmar in Salisbury, this shop is a powerhouse for performance and repair. They have certified diesel specialists and are renowned for their work on 4WD systems, lift kits, and performance tuning, in addition to standard repairs. They are the preferred choice for GMC owners who use their trucks for serious towing or off-roading and demand top-tier mechanical and electronic expertise.

915 Eastern Shore Dr, Salisbury, MD 21804

Specialties & Features

4WD and towing system service
diesel performance
transmission repair

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes

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

** The GMC repair market in the Delmar, DE area is characterized by a few high-quality, independent shops that have earned strong community trust, rather than a high volume of competition. Due to the town's location on the DE/MD border (the "Bi-State" area), residents have the advantage of accessing top-tier specialists in both states. The average quality of service is high, with shops focusing on building long-term client relationships. Pricing is competitive but reflects the specialized knowledge required for modern GMC trucks, particularly for diesel and transmission work. For complex issues like advanced Denali electronics or 10-speed transmission diagnostics, the most capable shops are those, like Shoreline Truck & Auto, that have invested in the latest training and diagnostic equipment. Overall, GMC owners in Delmar are well-served by a handful of expert providers who offer a viable and often more personalized alternative to dealership service departments.

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 Delmar regulations and climate