Roy Foss Chevrolet banner for the 2027 Chevrolet Bolt LT Canada-Wide Clearance offer, featuring a red Bolt LT with lease payments from $49.31 weekly, plus HST and licensing.

Terms and conditions apply. See dealer for details.

Roy Foss Chevrolet banner for the 2026 Chevrolet Trax 1RS Canada-Wide Clearance offer, featuring a blue Trax with lease payments from $49.99 weekly, plus HST and licensing.

Terms and conditions apply. See dealer for detail.

Roy Foss Buick banner for the 2026 Buick Envision Sport Touring Canada-Wide Clearance offer, featuring a grey Envision with lease payments from $149.85 weekly, plus HST and licensing.

Terms and conditions apply. See dealer for details.

Roy Foss demonstrators clearout banner featuring GMC, Buick, and Chevrolet vehicles with huge savings on low-kilometre dealership demonstrators and specially priced in-stock vehicles.

Find Your Next Vehicle

bolt 41
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Starting at $35,616 Contact Us!
Trax 24
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Starting at $30,141 Contact Us!
Silverado 1500 45
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Starting at $58,296 Contact Us!
Silverado 2500 2
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Starting at $72,951 Contact Us!
Silverado 3500hd Contact Us
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Colorado 10
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Starting at $54,231 Contact Us!
silverado ev Contact Us
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Trailblazer 5
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Starting at $35,946 Contact Us!
Equinox 23
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Starting at $40,541 Contact Us!
equinox ev 2
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Starting at $53,616 Contact Us!
Blazer 4
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Starting at $49,946 Contact Us!
blazer ev Contact Us
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Traverse 2
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Starting at $60,385 Contact Us!
Tahoe 9
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Starting at $88,366 Contact Us!
Suburban 5
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Starting at $92,246 Contact Us!
corvette 2
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Starting at $101,105 Contact Us!
Express Cargo Contact Us
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Express Passenger Contact Us
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Sierra 1500 28
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Starting at $75,321 Contact Us!
Sierra 2500hd 6
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Starting at $93,876 Contact Us!
Sierra 3500hd Drw Contact Us
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Canyon 12
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Starting at $57,126 Contact Us!
sierra ev Contact Us
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Terrain 29
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Starting at $42,606 Contact Us!
Acadia 3
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Starting at $61,451 Contact Us!
Yukon 10
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Starting at $111,278 Contact Us!
Yukon Xl 1
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Starting at $137,771 Contact Us!
hummer ev Contact Us
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Savana Cargo 2500 2
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Starting at $57,916 Contact Us!

Encore Gx 7
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Starting at $39,350 Contact Us!
Envista 8
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Starting at $36,251 Contact Us!
Envision 71
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Starting at $46,707 Contact Us!
Enclave 1
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Starting at $82,591 Contact Us!

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551 Vehicles in Stock

Certified Service

Your vehicle deserves the best care and attention available, which is exactly what you get with Certified Service from Roy Foss Chevrolet Buick GMC Thornhill. Schedule an appointment with our team for anything from routine maintenance to unexpected repairs, and check out our service specials for great savings.

Schedule Appointment Service Specials

All-Electric Future

General Motors is going electric, and Roy Foss Thornhill is ready. Our lineup includes the Chevrolet Equinox EV, Blazer EV, and Silverado EV, as well as the GMC Sierra EV and GMC Hummer EV. With low running costs, long ranges, and zero emissions, there’s never been a better time to shop electric.

Shop Electric Vehicles Schedule EV Test Drive

Award-Winning Chevrolet Buick GMC Dealer in Thornhill, ON

Roy Foss Chevrolet Buick GMC Thornhill has served drivers across the Greater Toronto Area since 1962. Our showroom sits on Yonge Street, minutes from North York, Markham, Richmond Hill, and the Greater Toronto Area. Generations of families in these communities have trusted our team for new and used vehicles, financing, and service. That kind of loyalty is not built overnight, and we never take it for granted.

New General Motors Vehicles

Our new-vehicle lineup covers trucks, SUVs, and cars from Chevrolet, Buick, and GMC. Shoppers looking for outright capability will find the Chevrolet Silverado 1500 and GMC Sierra 1500 imperious for towing, hauling, and everyday work. Families cross-shopping SUVs can compare the Chevrolet Trax, GMC Terrain, and Buick Encore GX side by side. The Chevrolet Corvette continues to thrill performance enthusiasts, while the GMC Yukon and Chevrolet Suburban offer the ultimate in full-size SUV capability. Whatever type of vehicle you need, there’s a Chevrolet, Buick, or GMC designed for the job.

Quality Used Vehicles

Brand-new vehicles are great, but many shoppers prefer the value a quality used vehicle represents instead. We carry pre-owned Chevrolet, Buick, and GMC models, as well as used vehicles from other manufacturers. Every used and Certified Pre-Owned vehicle passes a detailed inspection and preparation process before it reaches our lot. That process gives buyers extra confidence in a used vehicle's condition and history. From a budget-friendly commuter to a certified SUV, our used vehicle inventory includes vehicles for every budget and application.

Financing and Leasing

Financing a vehicle can be one of the most crucial aspects of any deal, and our finance team works to keep the process open, honest, and straightforward. We work with a wide network of lenders to find competitive rates for buyers at every credit level. Leasing is also available for drivers who prefer lower payments and more frequent upgrades. Our finance specialists can walk you through the numbers before you commit to anything. Getting pre-approved online before you visit takes just a few minutes and leaves more time to browse and test-drive.

Certified Service, Parts and Accessories

Keeping your vehicle running right means regular maintenance, and that starts with an experienced service team you can trust. Our experienced, factory-trained technicians sort everything from oil changes and brake service to routine servicing and more involved repairs. We stock and use genuine GM parts to keep your maintenance and repairs true to factory standards. Need new tires or accessories? Use our online shopping tools to browse options for your specific vehicle. Ready to book a visit? Scheduling an appointment online is quick, easy, and convenient.

Roy Foss Chevrolet Buick GMC Thornhill | New Red Chevrolet Corvette

Welcome to Roy Foss Chevrolet Buick GMC Thornhill

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.

Roy Foss Chevrolet Buick GMC Thornhill

7200 Yonge Street , Thornhill , ON L4J 1V8

Get Your Directions !

Sales

Give us a call (905) 886-2000

Monday 9:00AM - 8:00PM
Tuesday 9:00AM - 8:00PM
Wednesday 9:00AM - 8:00PM
Thursday 9:00AM - 8:00PM
Friday 9:00AM - 6:00PM
Saturday 9:00AM - 6:00PM
Sunday Closed

Service

Give us a call (905) 886-2009

Monday 8:00AM - 5:00PM
Tuesday 8:00AM - 5:00PM
Wednesday 8:00AM - 5:00PM
Thursday 8:00AM - 5:00PM
Friday 8:00AM - 5:00PM
Saturday 8:00AM - 1:00PM
Sunday Closed

Parts

Give us a call (905) 886-2047

Monday 8:00AM - 5:00PM
Tuesday 8:00AM - 5:00PM
Wednesday 8:00AM - 5:00PM
Thursday 8:00AM - 5:00PM
Friday 8:00AM - 5:00PM
Saturday 8:00AM - 1:00PM
Sunday Closed

7200 Yonge Street , Thornhill , ON L4J 1V8

Sales (905) 886-2000

Service (905) 886-2009

Parts (905) 886-2047

Roy Foss Cadillac Thornhill (905) 886-2000

Sales

Monday 9:00AM - 8:00PM
Tuesday 9:00AM - 8:00PM
Wednesday 9:00AM - 8:00PM
Thursday 9:00AM - 8:00PM
Friday 9:00AM - 6:00PM
Saturday 9:00AM - 6:00PM
Sunday Closed

Service

Monday 8:00AM - 5:00PM
Tuesday 8:00AM - 5:00PM
Wednesday 8:00AM - 5:00PM
Thursday 8:00AM - 5:00PM
Friday 8:00AM - 5:00PM
Saturday 8:00AM - 1:00PM
Sunday Closed

Parts

Monday 8:00AM - 5:00PM
Tuesday 8:00AM - 5:00PM
Wednesday 8:00AM - 5:00PM
Thursday 8:00AM - 5:00PM
Friday 8:00AM - 5:00PM
Saturday 8:00AM - 1:00PM
Sunday Closed

Get Your Directions !

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, 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.

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.

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.

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.

Truck Month Ends in

Vehicles You Might Like

Certified Service

All-Electric Future

Award-Winning Chevrolet Buick GMC Dealer in Thornhill, ON

New General Motors Vehicles

Quality Used Vehicles

Financing and Leasing

Certified Service, Parts and Accessories

Welcome to Roy Foss Chevrolet Buick GMC Thornhill

Award-Winning Chevrolet Buick GMC Dealership in Thornhill, ON

New General Motors Vehicles

Quality Used Cars and Certified Pre-Owned Vehicles

Committing to an All-Electric Future

Financing and Leasing for All Credit Types

Certified Service, Parts and Accessories