Mon - Sat: 7:00 AM - 5:00 PM
Sun: 10:00 AM - 4:00 PM
Rental Department Only

With 12 service bays, a full-time sales, service, and rental staff Triangle Motors is your home for Frederick auto repair and maintenance. From oil changes to engine repairs, our ASE certified-trained technicians are equipped to repair and service all makes and models of vehicles.

Below is a list of some of the services we provide! Don't see what you're looking for, give us a call! We can help!

  • Alternator repair and services
  • Axles
  • Brake repair and services
  • Carburetors
  • Check Engine Light
  • Clutch repair and services
  • Computer Diagnostics
  • Drivetrain
  • Electrical
  • Exhaust System
  • Fleet Service
  • Flushes
  • Fuel Injection
  • Inspection Diagnostics
  • Lights
  • Oil Change
  • Overhaul
  • Pre-Purchase Inspection
  • Radiator repair and services
  • Speedometer
  • Timing Belt Replacement
  • Tire Services
  • Transmission Repair
  • Tune-up
  • Wheel Alignment


Triangle Motors is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Triangle Motors (301) 662-1067 if you have any issues in accessing any area of our website.