Not sure what rimDiameter size options are for your 2026 Cadillac CT4 Premium Luxury Rear wheel drive?
Choose from the options below.
Version/Option
Tire Size
235/35R19
225/45R17
235/35R19
225/45R17
235/35R19
235/40R18
235/35R19
235/40R18
235/35R19
235/40R18
235/35R19
235/40R18
235/40R18
235/35R19
235/40R18
255/35R18
Front: 255/35R18, Rear: 275/35R18
275/35R18
235/40R18
235/35R19
235/40R18
Version/Option
Tire Size
235/35R19
225/45R17
235/35R19
225/45R17
235/35R19
235/40R18
235/35R19
235/40R18
235/35R19
235/40R18
235/35R19
Version/Option
Tire Size
235/40R18
235/40R18
235/35R19
235/40R18
255/35R18
Front: 255/35R18, Rear: 275/35R18
275/35R18
235/40R18
235/35R19
235/40R18
Version/Option
Tire Size
235/35R19
225/45R17
235/35R19
225/45R17
235/35R19
235/40R18
235/35R19
Version/Option
Tire Size
235/40R18
235/35R19
235/40R18
235/35R19
235/40R18
235/40R18
235/35R19
Version/Option
Tire Size
235/40R18
255/35R18
Front: 255/35R18, Rear: 275/35R18
275/35R18
235/40R18
235/35R19
235/40R18
Find your version / option
There are two places to find your tire size. Look directly on your tire sidewall or inside your driver’s side door jamb for your vehicle’s tire size.
Passenger Tire Sidewall
High Flotation Tire Sidewall
Inside Your Door Jamb