Our Reviews

Service is fantastic at GM St Marys. Time estimates always right and I dont have to sit and wait..they will drive me home and pick me up when the car is ready and give me a call for approval if something more is discovered that. Eeds to be doneor up oming . Certainly 5 star…

D Fergusson

Recently purchased GMC Terrain, had great experience with Tracy and the rest of the team. They are so professional and help beyond to get perfect vehicle for family. This is a great dealership and I highly recommend going to see them. Thank you Tracy,, you are the best….

nav kaur

Purchased a 2015 Ford Escape. Mark and the team were fantastic to deal with from the “looking” stage to the buying stage. I have nothing but good things to say about this dealership and will refer my friends and family to this dealership from London just so they can receive the same amazing service I…

Amanda den Hollander

I recently purchased a truck here and picked it up on the weekend. I had a great experience dealing with Sylvie, Karen and the rest of the team. The communication and professionalism through email, phone and text was more than I could have ever asked for. This is a great dealership and I highly recommend…

Darrin Prieur

I recently purchase a used truck here, I dealt with Sylvie, she understands what customer service is all about, she went over and above to make my experience great. All the other staff were easy to deal with too. I highly recommend this dealership!

Keith Crawford

Stress-Free Car-Shopping

Here at St. Marys Buick GMC, it is our mission to be the automotive home of drivers in the Southwestern Ontario Market area. We provide a vast selection of new and used cars truck and SUVs, exceptional car care and customer service with a smile!

Speaking of new Buick, GMC models, you have your pick of our showroom. Our local dealership keeps a great stock of used cars, trucks, and SUVs in inventory. With competitive prices offered on every pre-owned model for sale on our lot, you won't find a reason to visit any other dealership in Ontario!

Want to Talk Auto Finance?

When it comes to New and Used Car purchase financing, our Financial Services and Buick, GMC specialists step in. We're here to help you by going over every option clearly, and will work hard to find the best financing structure and plan for you. Whether adding accessories or protection packages, or figuring out the final details of your new or used car, truck and suv loan or lease package, let us guide you along the way.

We Keep You Going

Expert Parts & Service

St. Marys Buick GMC is also by your side whenever you need any car service and repair work done in St. Marys. What's more, our auto parts team would be happy to get you whatever you need to keep your Buick, GMC vehicle on the road for many miles to come.