Kia Niro EV (2019) is 23 mm (0.91 inch) wider, 290 mm (11.42 inch) higher and has 340 liters (12.01 ft3) bigger cargo space than Porsche 718 Cayman (2021).
Porsche 718 Cayman (2021) is 84 mm (3.31 inch) longer and 272 kg (600 lbs) lighter than Kia Niro EV (2019).