ORIGINAL EQUIPMENT SIZES FOR:

2017 Cadillac CT6 \ 4 Dr Sedan Base (245/40R20 99 Y)

YOUR VEHICLE'S OEM TIRE SIZE

Based on our records, this should be your vehicle's current tire size.

OE Wheel Diameter: 20" 245/40R20 (99Y)
SELECT YOUR CURRENT TIRE SIZE

Different size for rear tires?