Cadillac CT5 tire size
The most common factory tire size for the Cadillac CT5 is 255/35R20, on 64 of the 70 year and trim fits listed. The table lists every year from 2020 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Cadillac CT5 tire sizes by year
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.