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91If you're already on a paid plan or have an unequipped vehicle, you can still get a 3-month SiriusXM Platinum Plan streaming trial on any device at no charge upon completion of the visit. Offer valid from February 1- March 31, 2023 at participating Chevrolet, Buick, GMC, and Cadillac Certified Service dealerships. Customers who book their service appointment online through the Certified Service online service scheduling tool are eligible to receive 3 months of OnStar Remote Access and/or 3 months of SiriusXM. Offer may not be combined with select Dealer-specific incentives or promotions. GM Canada reserves the right to cancel, modify or amend the offer without notice. See dealer for details and for any issues with claiming your no-charge subscriptions, contact [email protected] For SiriusXM: Eligible customers will receive a free trial to SiriusXM. Your service will automatically stop at the end of your trial subscription. If you do not wish to enjoy your trial subscription or if you do not agree to our Customer Agreement, you can cancel it by calling the number below. If you decide to continue service after your trial, the subscription plan you choose will automatically continue and you will be charged according to your chosen payment plan and method at then-current regular prices as long as you choose to remain a subscriber. To cancel, call us at 1-888-539-7474. Satellite and streaming lineups vary slightly. Subscriptions to SiriusXM Canada are subject to our Customer Agreement available at siriusxm.ca/terms. We collect and use personal information according to our Privacy Policy available at siriusxm.ca/privacy. © 2023 Sirius XM Canada Inc. “SiriusXM”, the SiriusXM logo, channel names and logos are trademarks of Sirius XM Radio Inc. and are used under license. All other trademarks, service marks, images and logos are property of their respective owners and are displayed in this publication with permission. All rights reserved For OnStar: Offer valid from February 1 – March 31, 2023 at participating Chevrolet, Buick, GMC, and Cadillac Certified Service dealerships. Eligible customers will receive 3 months of OnStar Remote Access. Cannot be added to existing OnStar plans. Offers available only on GM vehicles when properly equipped. Offer available to retail customers only. See dealer for details and for any issues with claiming your no-charge subscriptions, contact [email protected]
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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

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Google Mar 20, 2023

I recently purchased a car from Roy Foss Thornhill, Mo Mir was the person who took care of everything for me and provided me with some great options which checked all my requirements from the car, the service was quick and professional. I would definitely recommend it as you can buy here with trust and confidence.

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Google Mar 16, 2023

Very efficient and friendly staff during my last visit. I came in for an oil change and all staff starting with Luciano made me feel welcome and truly valued my time.

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Google Mar 3, 2023

Roy Foss Motors has always provided excellent service for all my vehicles. My service rep, Dan, is very. Knowledgeable and trustworthy.

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Google Feb 26, 2023

We were an “easy sell” as we knew exactly what we were looking for, and we also knew that stock is very limited these days. It was an absolute pleasure to deal with Isaac. He got us a good deal, was organized and made the process smooth and as quick as we wanted! Would recommend him and this dealership.

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Google Feb 22, 2023

Amazing

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Google Feb 10, 2023

Always a good experience with service here. Dan is a great advisor!

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DealerRater Dec 5, 2022

Was at the dealership last week as my car needed service. Not only was a loaner car prepared for me but the service that I received from Luciano was once again exceptional!! I was in and out so quickly. Luciano has been an absolute pleasure to work with. Luciano is a very patient and knowledgeable service advisor and once again I was treated so well. Luciano called me today to follow up on my car to ensure that the issues were resolved. That is customer service at its finest!! Luciano is a big asset to Roy Foss and I will ...

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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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Roy Foss Cadillac Thornhill Location

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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. 

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Roy Foss Cadillac Thornhill 43.802436, -79.423681.