Kia Rio (Sedan) (2015) is 160 mm (6.30 inch) higher, 348 kg (767 lbs) lighter and has 237 liters (8.37 ft3) bigger cargo space than Porsche 718 Cayman (2014).
Porsche 718 Cayman (2014) is 13 mm (0.51 inch) longer and 80 mm (3.15 inch) wider than Kia Rio (Sedan) (2015).