Welcome to Mars Autos in St. Catharines, Ontario, we are used car dealership in the Niagara region and if you are looking to purchase a vehicle at competitive prices, you have come to the right place.

We know that you have high expectations, and as a used car dealer we enjoy the challenge of meeting and exceeding those standards each and every time. We are eager to share our expertise and knowledge with you to help you make an informed decision.
We encourage you to browse our online inventory, schedule a test drive and investigate financing options.

You can also request more information about a vehicle by calling 1-905-688-8381. We look forward to serving you.