Cadillac STS-V tire sizes
Original-equipment tire sizes for the Cadillac STS-V by model year. Choose a year for trims and tires in stock.
| Year | Original tire sizes |
|---|---|
| 2009 Cadillac STS-V | 255/45R18 |
| 2008 Cadillac STS-V | 255/45R18 |
| 2007 Cadillac STS-V | 255/45R18 |
| 2006 Cadillac STS-V | 255/45R18 |