WE ARE OPEN, please phone 905-709-7640 to book an appointment. Please click here to learn about our Safety Measures.

* Until June 30, 2021, receive up to $4,644 in Total Price Adjustments on an eligible new retail 2021 Cadillac XT6 Sport [with an MSRP $73,028]. Total Price Adjustments are based on MSRP and represent the difference in price between MSRP and the vehicle pricing ordinarily available to GM Canada employees, excluding fees and charge. Cannot be combined with certain other offers or redeemed for cash. Dealer may sell or lease for less. See dealer and cadillacoffers.ca for details. **Finance: Offers are valid toward the finance purchase of an eligible new 2021 Cadillac XT4/XT5/XT6/CT4/CT5 delivered in Canada between May 1, 2021 and May 31, 2021. Advertised offers not applicable in Quebec. Limited time offer available on approved credit. Terms may vary by model. Representative finance example based on a new 2021 Cadillac XT6 Sport. MSRP is $73,028. $0 down payment or equivalent trade-in required. $73,028 financed at 0% APR equals $1,217 per month for 60 months. Cost of borrowing is $0, for a total obligation of $73,028. Taxes, license, insurance, registration and applicable fees, levies and duties (all of which may vary by dealer and region) are extra. Dealer may sell for less. Dealer order/trade may be necessary. On approved Credit. ++ Whichever comes first: 4 years or 80,000 km from delivery date. Eligible customers who acquire a new eligible Cadillac receive a GM dexos1™ oil and oil filter change and tire rotation (limit of up to eight (8) in total) in accordance with the vehicle’s Owner’s Manual and oil life monitoring system, performed at participating Cadillac dealers. CTS-V may be eligible for additional services. May not be redeemed for cash or combined with other offers. Conditions apply, see dealer for details.
Roy Foss asks all customers to read the fine print: *Giveaway is open to individuals only; company vehicles are not eligible. Customer must spend $100 before tax to be eligible for a ballot. Each additional $100 before tax spent, in addition to the original $100 before tax, will be eligible for an additional ballot. Each ballot will be filled out by the dealership based on the final amount on the service R.O. in May 2021. Ballots cannot be filled out based on past purchases. Giveaway runs from May 1st, 2021 to May 31st, 2021; winner will be selected, announced, and contacted on June 1st, 2021. Winner must answer a skill-testing question and fill out a release form in order to receive the $500 Visa gift card. **GM Tire Rebate offers expire May 31st, 2021. †The Complimentary Foss Lifetime Tire Repair offer is only applicable when purchasing four (4) tires from Roy Foss; rims, sensors, and installation not included. Foss Lifetime Tire Repair offer is only applicable on tire repairs for the purchased tires only and does not include rim damage or rim or tire pressure sensor replacement. Foss Lifetime Tire Repair offer is applicable on repairs involving installation of a tire plug/patch repair ONLY. It does not include tire replacement due to unrepairable tires (tread depth less than 2/32”, sidewall damage, damaged from mechanical failure, collision, off-road use, etc). Maximum claim is $49.95 before tax. Repairs must be completed at Roy Foss. †Senior’s Day offer applies to customers who are aged 65+ and is applicable on all vehicle repairs and maintenance items. All offers cannot be used on past purchases, cannot be redeemed for cash, and may not be combined with certain other offers. Please see Roy Foss for all offer details.
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Each Cadillac CPO vehicle is thoroughly inspected and reconditioned and includes factory-backed limited warranties and roadside assistance.

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Roy Foss Thornhill Cadillac offers many benefits exclusive to our dealership. Check them out and see why you should purchase from us.

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DealerRater May 13, 2021

I purchased Cadillac XT5 at Roy Foss Thornhil a week ago. My Sales person Dilan was very friendly and provided with great customer service. Would certainly recommend.

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Google May 13, 2021


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Google May 10, 2021

We are about 2 hours away from the Thornhill dealership and could not ask for better service. We worked with Ken Core and Justin Core and were extremely satisfied with our experience. They were professional and accommodating and we did everything over the phone to limit traveling to the dealership. When the vehicle was ready, Justin drove it to us to save us from driving to Thornhill. We highly recommend Roy Foss Thornhill and will work with them again in the future.

Welcome to Roy Foss Thornhill Cadillac

Cadillac Dealer in Thornhill, ON

Roy Foss Thornhill Cadillac is Thornhill‘s premier 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 have 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 Cadillac is conveniently located in the GTA near North York and Markham. Visit Roy Foss Thornhill Cadillac today, our team looks forward to serving you!

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7200 Yonge Street Thornhill, ON L4J 1V8

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7200 Yonge Street • Thornhill, ON L4J 1V8

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Open Today! Sales: 9am-5pm

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Roy Foss Thornhill Cadillac 43.802436, -79.423681.