Not sure what trim options are for your 2015 Cadillac CTS?
Choose from the options below.
Version/Option
Tire Size
245/40R18
245/45R17
255/35R19
245/40R18
255/35R19
245/40R18
245/45R17
255/40R19
undefined 255/40R19, undefined 285/35R19
285/35R19
255/40R19
undefined 255/40R19, undefined 285/35R19
285/35R19
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
Version/Option
Tire Size
245/40R18
245/45R17
255/35R19
245/40R18
255/35R19
245/40R18
245/45R17
255/40R19
undefined 255/40R19, undefined 285/35R19
285/35R19
Version/Option
Tire Size
255/40R19
undefined 255/40R19, undefined 285/35R19
285/35R19
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
Version/Option
Tire Size
245/40R18
245/45R17
255/35R19
245/40R18
255/35R19
245/40R18
245/45R17
Version/Option
Tire Size
Version/Option
Tire Size
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
245/40R18
undefined 245/40R18, undefined 275/35R18
275/35R18
Find your personalized tire set.
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