Winter tires for the Cadillac STS
In-stock winter tires with the three-peak mountain snowflake (3PMSF) symbol, in the sizes the Cadillac STS uses most. Set prices are for four tires and include the $5.00 Ontario Tire Stewardship fee per tire, before tax.
Winter tires in 235/50R17
Used on the Cadillac STS in 2005–2011 (29 trims).
$218.00In stock
$257.00In stock
| Tire | Set of 4 (all-in, before tax) |
|---|---|
| Kumho WP71 | $892.00 |
| Toyo Observe GSi-6 HP | $1,048.00 |
Winter tires in 255/45R18
Used on the Cadillac STS in 2005–2011 (23 trims).
$365.00In stock
| Tire | Set of 4 (all-in, before tax) |
|---|---|
| Michelin X-Ice Snow | $1,480.00 |
Winter tires in 235/50R18
Used on the Cadillac STS in 2005–2011 (13 trims).
$147.00In stock
$155.00In stock
$158.00In stock
$185.00In stock
$186.00Only 3 left
$192.00In stock
$230.00Only 1 left
$232.00Only 2 left
| Tire | Set of 4 (all-in, before tax) |
|---|---|
| Antares Lumi 001 | $608.00 |
| Antares Grip 20 | $640.00 |
| Antares Grip 60 Ice studdable | $652.00 |
| Falken Espia EPZ II | $760.00 |
| Nexen Winguard WinSpike 3 studdable | $764.00 |
| Nexen Winguard Sport 2 | $788.00 |
| Pirelli Scorpion Winter | $940.00 |
| Kumho WinterCraft Ice Wi31 studdable | $948.00 |
Confirm your size on the driver’s door placard before ordering; trims and packages can differ.
All Cadillac STS tire sizes · All-weather tires
Frequently asked questions
Which winter tires fit a Cadillac STS?
In 235/50R17, the most common size for the Cadillac STS, we have 4 tires in stock with the three-peak mountain snowflake (3PMSF) symbol, which Quebec requires from December 1 to March 15.
How much is a set of winter tires for a Cadillac STS?
In 235/50R17, a set of four in-stock 3PMSF winter tires starts at $892.00, including the Ontario Tire Stewardship fee, before tax. Delivery is free in Ontario and Quebec.
Can I use all-weather tires on my Cadillac STS instead of winter tires?
Yes, if they carry the three-peak mountain snowflake (3PMSF) symbol, which makes them legal for Quebec winters (December 1 to March 15). Dedicated winter tires still grip better on ice and in deep snow.