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* Instant tire manufacturer rebates are available when you purchase four (4) identical eligible tires at participating Chevrolet, Buick, GMC and Cadillac dealers in Canada. Instant rebates available: $40 from BFGoodrich, $65 from Michelin, $70 from Pirelli, $60 from Continental, $100 on Bridgestone Blizzak LM and $70 on all other Bridgestone tires, $125 on Goodyear Winter Command Ultra and $50 on all other Goodyear tires, $50 from Firestone, $80 from Kumho. Offer is valid from September 1st, 2022 to October 31st, 2022. This offer is non-transferable. Conditions and limitations apply, see participating dealers for details. No rain checks available. This offer may be changed, cancelled or extended at any time without notice. 70 A set of two (2) ACDelco® wiper blades will be provided at no charge when you purchase four (4) identical eligible tires. Installation not included. Offer only available to retail customers. Offer subject to change without notice and may not be combined with certain other available incentives. Valid at participating Chevrolet, Buick, GMC and Cadillac dealers in Canada. Ask your participating dealer for complete details. Offer is valid from September 1st, 2022 to October 31st, 2022 or while supplies last. 4 Your local dealer will match the competition's prices. If you purchase one of the aftermarket tire brands listed below and later find a better price on a qualifying brand within 30 days of the purchase, we’ll refund the difference. Tire Brands BFGOODRICH, BRIDGESTONE, CONTINENTAL, DUNLOP, FIRESTONE, GENERAL, GOODYEAR, HANKOOK, KELLY, MICHELIN, PIRELLI, UNIROYAL, KUMHO. The price match applies to the brands listed above. Tire brands not carried by your dealer will not be guaranteed for a price match. Competitive Prices: The competitive price you find must be in a valid ad, written estimate or Internet quote for identical, new tires. The tires must be an exact match in brand, tire line, size, load rating and speed rating to be eligible for the price match guarantee. All competitive quotes (including internet quotes) must come from a local competing tire retailer and installer (with a physical location within 100km of your participating GM retailer). The competitive price must be valid within 30 days of your purchase of any of the tire brands listed above. Service and Installation: The price match guarantee is only valid on the tire price and does not include installation/labour. Offer available to retail customers only at participating Canadian Chevrolet, Buick, GMC and Cadillac dealers. Offer valid from January 1st, 2022 to December 31st, 2022. Conditions and limitations apply. May not be combined with other offers and programs.
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New Used Service

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 Sep 23, 2022

Excellent service. Thanks

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Google Sep 23, 2022

Miriam and Dave have personal service that I had not experienced from a dealership in the past.. Thks for the great service.

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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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Google Sep 16, 2022

Great service

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Google Aug 29, 2022

Thank you for a great service. Roy Foss service Department consistently provides very good service.

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Google Aug 25, 2022

I am happy with my first gmc truck from this dealership, I would recommend it. They give absolute service for your needs. Look for Rick if you shop to this dealer, he is very helpful and responsive. Thank you Rick and to your team.

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Google Aug 24, 2022

RIANA WAS VERY PROFESSIONAL AND A PLEASURE TO WORK WITH.A GOOD EXPERIENCE

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Google Aug 18, 2022

Nice dealership

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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.