DeCosky GM Center

DeCosky GM Center

510-550 Harcourt Rd, Mt Vernon, OH 43050

New 866-281-3983
Used 888-353-5697
Service 866-634-5214

Nobody Sells For Less!

Warranty on Parts & Labor

12 months / 12,000 miles

Pricing for Common Services

Click services for complete details and then schedule an appointment.

Brake Replacement $99.95
New Brake Pads/Shoes (Front) $99.95 and up*
New Brake Pads/Shoes (Rear) $99.95 and up*
Oil, Filter Change (Premium) $39.95
Wheel Alignment (FWD) $49.95

* These are starting prices for basic service. Prices vary by type of car or part/service options offered.

Fast Facts About Service & Repair

  • Factory-certified Technicians

Features & Amenities

  • Online Service Appointment Scheduling

Schedule Service

Call 866-634-5214 or

Schedule Service Online You will be directed to the dealer's website.

Hours of Operation

8:00 AM – 5:00 PM
7:00 AM – 5:00 PM
8:00 AM – 5:00 PM
7:00 AM – 5:00 PM
8:00 AM – 5:00 PM
8:00 AM – 12:00 PM

Contact This Dealer

New Cars

866-281-3983, ask for Robert Devlin
Email this dealer Cancel

Used Cars

888-353-5697, ask for Robert Devlin
Email this dealer Cancel



Decosky GM Center has a well-equipped and technologically advanced service department to solve your Chevrolet, Buick, GMC or Cadillac vehicle's problems in Mount Vernon, OH. Our expert mechanics will take care of your car, truck or SUV. Our specialized auto service and maintenance will help increase the life of your vehicle. We offer our excellent services at reasonable prices! Stop by our dealership today!