WE ARE OPEN with reduced capacity – appointments recommended. Learn More

close button
VIEW DISCLAIMER HIDE DISCLAIMER
21Offer applies to 12V batteries only. Offer valid from December 1, 2021 to January 31, 2022 at participating GM Canada Certified Service dealers. Customers who receive the no-charge battery test during this period will receive coupon for an instant rebate of $20 (before tax) on a new ACDelco® battery. Coupon must be redeemed during the offer period and must be presented at the time of appointment. No-charge battery test will be completed by the dealer with a handheld battery tester. Customers purchasing a new battery with the instant $20 rebate must have the battery installed by the same dealer who completed the battery test; rebate can only be applied towards battery in same vehicle on which the no-charge battery test was completed. Offer available to retail customers only. GM Canada reserves the right to cancel, modify or amend the offer without notice. Conditions and limitations apply. See participating dealer for details.
2021_DMA_NOV_Battery_T3_EN_1800x760
with over 800 tires in stock, we can supply the BRAND AND size you NEED but we strongly suggest you don’t delay as CERTAIN TIRE SIZES ARE STARTING TO SELL OUT FAST.
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.

View Inventory

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.

Learn More

See What Others Say

Read Our Reviews

DealerRater logo
DealerRater Jan 21, 2022

Just purchased a used Enclave from them today. The sales and financing team were great to deal with. The car it perfect. Very stress free and smooth transaction. Mike the used car manager provided us with exclent service. My wife is thrilled with the car ! Happy wife , happy life! Thanks Nick M.

Read at DealerRater

Google logo
Google Jan 15, 2022

Very courteous, great communication, all work done and explained. Very happy with service.

Facebook logo
Facebook Jan 14, 2022

Dan Wong in service department has always been honest and upfront with the service of my vehicles. Thank you Dan.

Facebook logo
Facebook Jan 8, 2022

Good service and accomodating

Google logo
Google Jan 5, 2022

Service when I arrived and picked up was great. Contacting Service via email and then through web link was incredibly frustrating, as if nobody looks at e-communication, as I contacted Service three times with no reply at all, until I finally called to set date.

Get Directions

7200 Yonge Street Thornhill, ON L4J 1V8


Welcome to Roy Foss Cadillac Thornhill

Award-Winning 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. 

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 Us

888-630-4944

Call Now

7200 Yonge Street • Thornhill, ON L4J 1V8

Get Directions

Today's Hours:

Open Today! Sales: 9am-6pm

Open Today! Service: 7:30am-6pm

Open Today! Parts: 8am-5pm

Roy Foss Cadillac Thornhill 43.802436, -79.423681.