Cadillac XTS tire size
The most common factory tire size for the Cadillac XTS is 245/45R19, on 28 of the 84 year and trim fits listed. Each year below lists the sizes its trims were built with (2013 to 2019). Pick your year and trim to see the tires that fit.
Cadillac XTS tire sizes by year
20194 sizes · 14 trims
245/45R19load index 98, speed rating V
P245/40R20load index 95, speed rating V
20184 sizes · 13 trims
245/45R19load index 98, speed rating V
P245/40R20load index 95, speed rating V
20175 sizes · 16 trims
P245/45R19load index 98, speed rating V
P245/40R20load index 95, speed rating V
20165 sizes · 11 trims
P245/40R20load index 95, speed rating V
P245/45R19load index 98, speed rating V
20155 sizes · 21 trims
P245/40R20load index 95, speed rating V
P245/45R19load index 98, speed rating V
20145 sizes · 13 trims
P245/40R20load index 95, speed rating V
P245/45R19load index 98, speed rating V
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.