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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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Why Choose Roy Foss Chevrolet Buick GMC Thornhill?

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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 Chevrolet Buick GMC Thornhill

Award-Winning Chevrolet Buick GMC Dealership in Thornhill, ON

Since 1962, it’s been the mission at Roy Foss Chevrolet Buick GMC Thornhill to be the top choice for automotive customers in the Greater Toronto Area. With a focus on doing business with integrity, providing the pinnacle of customer service, and carrying the full range of new Chevrolet, Buick, and GMC vehicles from our dealership at 7200 Yonge Street, Thornhill, we trust you will feel comfortable and cared for at our dealership. 

Massive Selection of new GM Vehicles near Richmond Hill, ON

Whether you’re in the market for a new pickup truck like the Chevrolet Silverado 1500 or GMC Sierra 1500, a go-anywhere SUV like the Chevrolet Traverse, Buick Envision, or GMC Terrain, a fun-loving sports car like the Chevrolet Camaro or Chevrolet Corvette, Roy Foss Chevrolet Buick GMC Thornhill has it for you. We carry the full range of models with hundreds of new GM vehicles in stock and ready for immediate delivery. Looking for the latest in technology like HD Surround Vision, the dedicated traction in an AWD powertrain, or the confidence of GM’s factory warranty coverage? Our sales professionals can match you with the right model for your needs, equipped to handle all the demands of your lifestyle. 

Used and Certified Pre-Owned Vehicles in GTA

Looking for a specific model or trying to fit your budget? A used car often provides extra flexibility for car shoppers. At Roy Foss Chevrolet Buick GMC Thornhill, you’ll find dozens of used vehicles from popular brands like Ford, Honda, Kia, and more in a range of models and body styles to choose from. Many of our used vehicles have gone through a rigorous inspection and reconditioning process to become Certified Pre-Owned, giving you even more peace of mind in your choice. Whether you’re looking for a domestic or import used car in the Greater Toronto Area, we have what you need and our friendly, knowledgeable team would love to help you find it. 

Financing Approvals for All Credit Levels

Don’t be put off by a previous financing experience. At Roy Foss Chevrolet Buick GMC Thornhill, our Finance Department centres around a process that works best for you. It’s our goal to source the best rates and terms available from our network of lenders and banks including GM Financial that will help put you in the driver’s seat of the vehicle you want. We can often include your extended warranty or vehicle protection products in your finance or lease agreement as well. Fill out a no-obligation credit application online to find out what you’re approved for. 

Certified Service and Parts Near Markham

Accurate, timely vehicle care is required to keep your vehicle at its best, and the Certified Service team at Roy Foss Chevrolet Buick GMC Thornhill has what it takes to do it right. With more than three centuries of combined experience among our technicians, a warm and friendly welcome when you arrive, and complimentary shuttle service to take you where you need to be, our service department is renowned for how we care for our customers. Our Parts Department is fully stocked with Genuine GM parts for your service visit, or purchase the parts you need to do the job successfully at home. Learn more about our service specials, or book your appointment online today!

Roy Foss Chevrolet Buick GMC Thornhill 43.802789, -79.422113.