Our Reviews

Friendly and knowledgeable staff. No hard sell or pressure. Dave Ford and Karen McCulloch made my purchase a pleasant experience and I highly recommend them and St. Marys GMC.

David Symons

I just want to say Thank You to Nicole and the rest of the team at St. Marys GMC. I'm glad I made the trip there from Guelph great service. Great place to buy a car.

Babir azizi

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

Bought a new truck here in 2021. The process and service was great. Later in 2021 I moved 4.5 hours north and starting using a different dealership for service. In 2022 I had an intermittent issue that caused a "Service Steering Column Lock" message, prevented the radio from shutting off, disabled the remote start, and…

Morgan Bartlett

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.