Cadillac CTS-V Coupe (2015) is 493 mm (19.41 inch) longer and 157 mm (6.18 inch) wider than Kia Rio (Sedan) (2018).
Kia Rio (Sedan) (2018) is 188 mm (7.40 inch) higher, 699 kg (1,541 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Cadillac CTS-V Coupe (2015).