Welcome to Ontario Motor Sales Cadillac


A Century of Automotive Experience

Shopping for a vehicle has never looked so different , which is why having  100 years of automotive experience to walk you through every step of the process helps. We have seen it all !  Whether you're looking to buy new or pre-owned;  have your vehicle serviced , get parts to go, or even paint and body repair  our staff are here to ensure a stress-free experience from start to finish. As Ontario's largest GM dealer we have everything you need.

Our Value Story

We care about your experience, which is why we've developed unique customer programs to maximize the value you receive when choosing OMS. 

Certified Service

Trust our Certified Cadillac technicians to take care of your vehicle when it needs it most.  We have been servicing the Oshawa and surrounding area for 100 years and we pride ourselves at offering an elite experience to our Cadillac customers.  Rest assured your Cadillac is in good hands whether you need a simple oil change or something a bit more complex.  We encourage you to take advantage of our Cadillac concierge service and allow us to pick-up and drop-off your vehicle so you can move about your day freely.  We welcome you to OMS Cadillac Service and we look forward to your visit.
  1. Ontario Motor Sales Cadillac

    140 Bond Street West
    Oshawa, ON L1J 2L6

    • Sales: (905) 725-6501
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Get in touch

  • Contact our Sales Department at: (905) 725-6501
  • Monday9:00am - 7:00pm
  • Tuesday9:00am - 7:00pm
  • Wednesday9:00am - 7:00pm
  • Thursday9:00am - 7:00pm
  • Friday9:00am - 5:00pm
  • Saturday9:00am - 5:00pm
  • SundayClosed