Welcome to Roy Foss Chevrolet Buick GMC Thornhill

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* Offer applies to all winter tire brands purchased from dealer inventory. Must purchase four (4) in stock winter tires of the same brand/model. The purchase price before taxes of the four (4) winter tires (excluding installation and labour) will be reduced by an amount equal to the applicable PST/QST/GST/HST. Dealers are free to set individual prices. Offer may not be redeemed for cash and may not be combined with certain other consumer incentives. Offer available to retail customers only. At participating dealers only. Offer ends February 28th, 2025. See dealer for details. 1 TIRE 30-DAY PRICE MATCH GUARANTEE: 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. 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 1, 2025 to December 31, 2025. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. May not be combined with other offers and programs.
* $150 instant rebate on the purchase of a set (4 tires) of Bridgestone Blizzak winter tires when you purchase, finance or lease an eligible 2023-2026 GM vehicle between January 3, 2025 to December 31, 2025. New retail vehicles only; purchase, finance or lease of used, certified pre-owned or fleet vehicles not eligible for offer. Eligible tires must be purchased at time of delivery of vehicle. Rebate is non-stackable with other Bridgestone consumer offers. Rebate applied before applicable taxes. Offer is subject to tire availability. No rain checks available. This offer may be changed, cancelled or extended at any time without notice. Conditions apply. See participating dealer for details. 1 TIRE 30-DAY PRICE MATCH GUARANTEE: 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. 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 1, 2025 to December 31, 2025. GM Canada reserves the right to cancel, modify or amend the offer without notice. 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 Jun 11, 2024

Excellent service, fast results, very pleasant waiting room. Dan my service rep very knowledgeable!! Thanks

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Google Jun 8, 2024

I would like to thank Justin for doing an amazing job on selling us a vehicle.

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Google Jun 4, 2024

I'm the owner of Lyric. Due to the recent recall, it took 3 weeks of maintenance and I'm so happy that everything has been resolved. I was so grateful to Lauren for the kindness of the staff.

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Google May 31, 2024

Extremely professional great service

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Google May 28, 2024

Complete service after I received request call from the Service Department

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Google May 24, 2024

GM client last 15 years. Quality goes down and price UP!!. Only one thing make me happy -customer service. Andrey Kozlov is the best from dealers which a had a deal.Purchased already 4 vehicle from him and no one issue happened.

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Google May 17, 2024

Service is always on time and the staff are very helpful

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DealerRater Sep 2, 2023

My Service Rep, Luciano Rotondo I have dealt with since 2017. That involved my late 2017 Acadia purchased there and my present 2018 Acadia bought used elsewhere. On my visits for service he has always kept me updated on the status of my vehicle whether I chose to stay at the dealership or go home. I know some repairs take more time than others. Additional problems that have cropped up, he has always called me, detailing them and the costs involved. Overall he has an excellent rating in my opinion.

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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, the mission at Roy Foss Chevrolet Buick GMC Thornhill has been to be the top choice for automotive customers in the North York, Markham, Richmond Hill, and 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 in Thornhill, Ontario, we trust you will feel comfortable and cared for at our dealership.

New General Motors Vehicles

Whether you’re in the market for a pickup truck like the Chevrolet Silverado 1500 and GMC Sierra 1500 for personal use and fleets, or the Chevrolet Silverado HD and GMC Sierra HD for the ultimate in towing and hauling, we have the new truck to fit your needs. We also carry the full lineup of cars and SUVs, including the fuel-efficient Buick Encore GX, Chevrolet Trax, GMC Terrain, and we’re your premier dealership for Chevrolet Corvette in the Greater Toronto Area. Our dedicated sales professionals can match you with the vehicle to handle your lifestyle’s needs and demands.

Committing to an All-Electric Future

As we head toward an all-electric future, most General Motors vehicles will be powered by the Ultium platform and Ultifi technologies. While EVs are not new for General Motors, this next chapter of all-electric vehicles will include the first-ever Chevrolet Blazer EV, Chevrolet Equinox EV, Chevrolet Silverado EV, GMC Sierra EV, and the highly anticipated HUMMER EV. As we prepare for the exciting all-electric future, Roy Foss Thornhill has installed EV Charging stations, and our sales and service teams are continuously training to exceed the needs of our EV customers now and into the future.

Quality Used Cars and Certified Pre-Owned Vehicles

Are you looking for a specific model or trying to fit your budget? A used car often provides extra flexibility for car shoppers. You’ll not only find used Chevrolet, used Buick and used GMC vehicles, but you’ll also find dozens of used cars, used trucks, and used SUVs from other popular manufacturers. Our pre-owned 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 imported used car in the GTA, we have what you want.

Financing and Leasing for All Credit Types

Don’t be put off by a previous financing experience. At Roy Foss Chevrolet Buick GMC Thornhill, our Finance Department centres around presenting the best financing options 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. Save time and start the process by completing our no-obligation credit pre-approval application.

Certified Service, Parts and Accessories

Scheduled maintenance 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 Parts Department is fully stocked with Genuine GM parts and accessories for your service visit. Browse our service specials, shop for accessories, or schedule your next service appointment on our website.

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Roy Foss Chevrolet Buick GMC Thornhill 43.802789, -79.422113.