All cars wheel fitment and tire size guide

Cadillac DTS wheel sizes

Year	Wheel size	Offset	Bolt pattern	Tire size
Cadillac DTS 4.6
2010	17x7.5	40	5x115	225/55R17
2010	17x8.0	38	5x115	235/55R17
2011	17x7.5	40	5x115	225/55R17
2011	17x8.0	38	5x115	235/55R17
Cadillac DTS 4.6 V8
2006	17x7.5	40	5x115	225/55R17
2006	17x8.0	38	5x115	235/55R17
2007	17x7.5	40	5x115	225/55R17
2007	17x8.0	38	5x115	235/55R17
2008	17x7.5	40	5x115	225/55R17
2008	17x8.0	38	5x115	235/55R17
2009	17x7.5	40	5x115	225/55R17
2009	17x8.0	38	5x115	235/55R17
2010	17x7.5	40	5x115	225/55R17
2010	17x8.0	38	5x115	235/55R17
2011	17x7.5	40	5x115	225/55R17
2011	17x8.0	38	5x115	235/55R17
2012	17x7.5	40	5x115	225/55R17
2012	17x8.0	38	5x115	235/55R17
2013	17x7.5	40	5x115	225/55R17
2013	17x8.0	38	5x115	235/55R17
2014	17x7.5	40	5x115	225/55R17
2014	17x8.0	38	5x115	235/55R17
2015	17x7.5	40	5x115	225/55R17
2015	17x8.0	38	5x115	235/55R17
2016	17x7.5	40	5x115	225/55R17
2016	17x8.0	38	5x115	235/55R17
2017	17x7.5	40	5x115	225/55R17
2017	17x8.0	38	5x115	235/55R17

Wheel size Cadillac DTS:
PCD 5x115 diametr 17, width for 7.5J to 8J, offset for 38 to 40. Similar to Dodge Challenger 3.6 2018

Tire size 17 to 17, width 225 to 235 and tire aspect 55 to 55.
Smallest tire size: 225/55R17, Largest: 235/55R17.