Cadillac STS II Tire Sizes & Rim Dimensions by Model Year and Trim

The Cadillac STS II features a range of tire sizes and rim dimensions that vary by model year and trim level. Generally, tire sizes on the STS II span from 225/55R16 to 245/45R17 depending on the specific trim and manufacturing year.\n\nRim widths for the STS II typically range between 7 to 8 inches in diameter, with common diameters of 16 to 17 inches. Understanding these rim width × diameter combinations is essential for selecting matching tires and maintaining factory performance characteristics.\n\nWhen comparing trims, higher-end versions often come equipped with larger diameter rims and lower profile tires, enhancing both aesthetics and handling. For practical tire and rim replacements, always consult the exact model year and trim specifications to ensure compatibility and safety.\n\nRegularly verifying original equipment tire markings and rim dimensions helps maintain ride quality and vehicle dynamics, especially when upgrading or replacing tires on your Cadillac STS II.

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Cadillac STS II.