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Welcome to Roy Foss Cadillac Thornhill

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40 Offers valid from October 3, 2022 to December 31, 2022 at participating GM Canada Certified Service dealerships. Offer includes Vehicle Health Check, oil change and on-rims tire changeover valued at $149.95 for cars or crossovers and $159.95 for trucks or full-sized SUVs. Offer available to retail customers only. Offers may not be combined with select Dealer specific incentives or promotions. GM Canada reserves the right to cancel, modify or amend the offers without notice. See dealer for details. Alternative oil products may carry an additional charge. Additional charges apply for dual wheel vehicle tires and high-performance vehicles. Each of the 20 GTA Certified Service locations will donate $10 per Vehicle Health Check Package to the total amount of $1000 at the end of the campaign to SickKids Foundation.
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Certified Pre-Owned Vehicles

Each Cadillac CPO vehicle is thoroughly inspected and reconditioned and includes factory-backed limited warranties and roadside assistance.

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Why Buy From Us

Roy Foss Cadillac Thornhill offers many benefits exclusive to our dealership. Check them out and see why you should purchase from us.

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See What Others Say

Read Our Reviews

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Google Nov 29, 2022

Terrence is very helpful, attractive and empathetic person. His suggestions were everything i needed and more. he knows how to listen and make sure your needs are met when choosing a new vehicle. Thank youTerrence.

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Google Nov 12, 2022

Paul was great from start to finish! His professional manor and knowledge was very appreciated buying a new Colorado. Thank you Paul! I love my new truck. Dave Roberts

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Google Nov 10, 2022

Calling into this Dealership for information on a new vehicle was a pleasant experience. From the receptionists that answered the phone who was friendly and efficient to the sales person that I was put through to for information. This dealership emulates good customer service!!

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Google Oct 22, 2022

I have a Great experience. Andrey and other staff members were very knowledgeable and experienced. Never left a thing out about the car. I would recommend them to all my friends rams family. Thank You so much. Teresa Morgan

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Google Oct 13, 2022

In addition to the high quality cars, whole the personnel from the smiley receptionist to my sale agent are providing outstanding service to customers. My agent today was Moe-Mir. This is my second encounter and I am very satisfied with the service he provided today. From beginning to ending it was Just a peace of mind working with this helpful sales person. I appreciate him for accommodating me in his busy schedule today and I highly recommend working with Moe-Mir in Royfoss Thornhill to everyone. Thank you Moe!

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Google Sep 23, 2022

Excellent service. Thanks

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DealerRater Sep 21, 2022

It was my first time and new to this company for my car maintenance and satisfied with the service Simone, Moe and Elvis they're very nice and helpful they're excellent !!!

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DealerRater Apr 24, 2022

We dealt with Mike R. And Hass. Both were easy to deal with. We lived out of town, so we did the financing portion virtually. We were going to go the week before and Mike gave us a heads up the car we wanted had sold. Found something else we liked their pricing is very competitive. Once arriving there we were able to test drive and look over vehicle as we hadn’t yet seen it in person. Once we were satisfied we sat down the Mike finished the paperwork. We were very happy with process and the quality of ...

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DealerRater Jan 21, 2022

Just purchased a used Enclave from them today. The sales and financing team were great to deal with. The car it perfect. Very stress free and smooth transaction. Mike the used car manager provided us with exclent service. My wife is thrilled with the car ! Happy wife , happy life! Thanks Nick M.

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7200 Yonge Street Thornhill, ON L4J 1V8


Welcome to Roy Foss Cadillac Thornhill

Full-Service Cadillac Dealership in Thornhill, ON

Luxury, refinement, and a complete customer experience. That’s what Cadillac vehicles promise to owners, and it’s what clients at Roy Foss Cadillac Thornhill can expect as well. Discover premium new Cadillac models, pre-owned vehicles, and expert Cadillac Certified Service at our dealership that’s built on integrity and service excellence.

New Cadillac Cars & SUVs in the GTA

There’s a reason Cadillac is known as the ‘Standard of the World’. It’s proven time after time in models like the ultra-luxurious Cadillac Escalade and the three-row Cadillac XT6. Surround yourself with class-leading tech, envious performance, and the pinnacle of comfort in every model including the future Cadillac LYRIQ EV. Integrating the best of today’s safety systems, weather-conquering AWD, and driver-centric features like Super Cruise, there’s no match for Cadillac. Find yours today when you schedule a test drive with a product expert at Roy Foss Cadillac Thornhill, near Markham and Richmond Hill, ON.

Diverse Selection of Pre-Owned Cars

Pre-owned vehicles offer a wide array of selection at a variety of price points that can often suit a buyer better. With dozens of used and Certified Pre-Owned vehicles to choose from, Roy Foss Cadillac Thornhill has the make, model, and body style that you’re looking for from familiar brands. Our pre-owned models undergo an exhaustive inspection and reconditioning process that ensures you’re getting the highest quality vehicle every time. Our sales staff would love to assist you in your search for the ideal used vehicle in the Greater Toronto Area. 

Financing for All Credit Types

Buy confidently knowing the financing and leasing process at Roy Foss Cadillac Thornhill is second to none. Experience a smooth process when you purchase or lease a new Cadillac with leasing and financing available for all credit types. Whether you’re a business owner or stay-at-home parent, you have perfect credit, or are rebuilding, our network of lenders can offer competitive rates and terms that keep your loan affordable. Protect your purchase with an extended warranty, accessories, and value-added products that can be added to your agreement. Start your credit pre-approval process now at Roy Foss Cadillac Thornhill.

Cadillac Service You Can Count On

Serving North York, Markham, Richmond Hill, and other surrounding areas of Thornhill, our Cadillac Service Department, and Cadillac Parts Department will take care of your vehicle right from day one. Receive expert advice for scheduled maintenance and precise care for any concern you have, ensuring you enjoy your Cadillac to the utmost. Our parts inventory has popular parts and accessories in stock with fast access to anything you need for over-the-counter purchases or installation in our service department, all backed by Cadillac’s no-nonsense warranty. Find out more about service specials and our top-notch care when you schedule an appointment online today. 

Roy Foss Cadillac Thornhill 43.802436, -79.423681.