IMPORTANT COVID-19 UPDATES Read Here
VIEW DISCLAIMER HIDE DISCLAIMER
*Available toward the retail cash purchase of eligible new in-stock 2020 vehicles delivered by August 31, 2020. Not compatible with special lease and finance rates or other offers. Credit based on MSRP plus A/C Charge, excluding fees and other charges. Offer is 5% of MSRP on: Cadillac CT4, CT5; 10% of MSRP on: Cadillac CT6, CT6-V, XT4; 15% of MSRP on: Cadillac: XT5, XT6, Escalade, Escalade ESV. Offers may not be redeemed for cash and may not be combined with certain other consumer incentives. Dealer may sell for less. See participating dealer and Cadillac.ca for details. ++Cadillac Premium Care Maintenance Program provides eligible customers who have purchased, leased or financed in Canada a new eligible Cadillac with a GM dexos1™ oil and oil filter change, and tire rotations (limit of up to eight (8) in total) in accordance with the oil life monitoring system and your vehicle’s Owner’s Manual, along with limited inspections and other select services, for 4 years from your vehicle’s delivery date or 80,000 km, whichever occurs first, performed at participating authorized Cadillac dealers. CTS-V may be eligible for additional services. Fluid top offs, brakes, wheel alignments etc. and dealer recommended maintenance are not covered. May not be redeemed for cash or combined with certain other consumer incentives. General Motors of Canada Company reserves the right to amend or terminate this offer, in whole or in part, at any time without prior notice. Additional conditions and limitations apply. See dealer for details.
VIEW DISCLAIMER HIDE DISCLAIMER
*Eligible Cardholders of a Scotiabank® GM Visa® Card are eligible for one (1) 10% discount offer on the purchase of select GM parts & service or GM accessories at participating GM dealerships in Canada, up to a maximum total purchase of $1,000 (i.e. up to $100 deducted from the final selling price before taxes) on a single customer pay repair order, per eligible VIN, per eligible Cardholder, per day, when using their Scotiabank® GM Visa® Card to make the purchase. Offer valid only on eligible purchase(s) (less any credits, refunds or returns) charged to the Cardholder’s Scotiabank® GM Visa® Card account from January 3, 2020 to January 4, 2021 at participating Chevrolet, Buick, GMC and Cadillac dealerships in Canada and will be deducted from the final selling price before taxes. The maximum total purchase of $1,000 (before taxes) can be obtained by way of purchase of one or more eligible parts & service or eligible accessories; however, Cardholders cannot divide the cost of a single or multiple eligible parts & service or eligible accessories amongst multiple customer pay repair orders or Scotiabank GM Visa cards when the purchase price exceeds $1,000. Only GM Genuine Parts, AC Delco Parts, GM National Account tires and Accessories with a GM Part Number, including labour costs for related parts or accessories installation, are eligible for this offer. Integrated Business Partner (IBP) Accessories with a GM Part Number are also eligible, including related installation labour costs. Labour only services and Limited Personalization Option (LPO) accessories are excluded from this offer. Installation of select parts or ACO GM Accessories at the dealership is not required. Only vehicle(s) originally sold in Canada intended or used for personal use are eligible for this Offer. Offer may not be redeemed for cash and may not be combined with certain other consumer incentives available on Chevrolet, Buick, GMC and Cadillac vehicles and/or their associated parts. Conditions and limitations apply, see your participating dealer for details. This offer is non-transferable. This offer may be changed, cancelled or extended at any time without notice. The Bank of Nova Scotia is not responsible for any products or services purchased at GM Canada dealerships under this offer. Dealer may sell for less.

Limited Time

Current Offers

View this months financing, leasing, and cash offers supplied directly from the manufacturers.


View Offers

Inside of Cadillac Interior
Two Women looking at an ipad inside a dealership

Why Choose Roy Foss Thornhill?

Play Video

Watch Our Video

See What Others Say

Read Our Reviews

Google logo
Google Aug 4, 2020

Me and my fiance purchased a Cadillac SUV From Roy foss in Thornhill the SA was very knowledgeable was not pushing like some other dealers we was not sure if we wanted that vehicle after explaining everything to went to 2 other dealers to see but because of the great service we got and didn't feel like we were getting rip off the SA answer all of our questions and made the sale very comfortable i will definitely go back i do not remember the SA name he work in the pre-owned department

Read at Google

Google logo
Google Aug 4, 2020

I recently leased a new vehicle from Roy Foss, and my rep was Moe Mir. He gave me excellent service from the first contact right up to the delivery of the vehicle. I highly recommend Moe if you want honest amazing service from a humble sincere person. Well done Moe. Thanks again!

Read at Google

Google logo
Google Jul 28, 2020

Bought a used car, only took them 2 days to have it ready and certified. Amazing staff willing to fit and accomplish your needs. Shout out to Mike and Calvin who I personally dealt with. Highly recomend asking for them for anything you need done.

Read at Google

Google logo
Google Jul 27, 2020

Just as expected, all went well. Thank you.

Read at Google

Google logo
Google Jul 27, 2020

I recently purchased a 2020 Suburban at Royfoss in Thornhill. The whole experience from start to finish was exceptional from the receptionist to sales to service. Thank you for making this an enjoyable experience .

Read at Google

Google logo
Google Jul 27, 2020

Great place to bring your car. Staff is 100%, Time for the service is 100%, Price, well, a little bit more than expected but still good.

Read at Google

Welcome to Roy Foss Thornhill

Chevrolet Buick GMC Cadillac Dealer in Thornhill, ON

Roy Foss Thornhill is Thornhill‘s premier Chevrolet Buick GMC Cadillac Dealership with a long-standing tradition of excellence since 1962. Our world class facility offers sales and financing of new, used and certified pre-owned vehicles as well GM Certified Service. Our heritage and superior reputation has helped us to become the #1 Cadillac Dealer in Canada. We provide our valued customers an experience that not only meets, but exceeds their expectations, time and time again. Whether you’re shopping for your next vehicle, or are in need of scheduled maintenance or repairs, we can help! Roy Foss Thornhill is conveniently located in the GTA near North York and Markham. Visit Roy Foss Thornhill today, our team looks forward to serving you!

Get Directions

7200 Yonge Street Thornhill, ON L4J 1V8


Saved
Saved Vehicles

SAVED VEHICLES

You don't have any saved vehicles!

Look for this link on your favorites:

Save

Once you've saved some vehicles, you can view them here at any time.

Contact
Contact Us

(888) 630-4944

Call Now

7200 Yonge Street • Thornhill, ON L4J 1V8

Get Directions

Today's Hours:

Open Today! Sales: 10am-6pm

Open Today! Service: 8am-5pm

Open Today! Parts: 8am-5pm

Roy Foss Thornhill 43.802789, -79.422113.