Kia Niro EV (2018) is 4 mm (0.16 inch) wider, 265 mm (10.43 inch) higher and has 374 liters (13.21 ft3) bigger cargo space than Porsche 718 Cayman (2017).
Porsche 718 Cayman (2017) is 17 mm (0.67 inch) longer and 307 kg (677 lbs) lighter than Kia Niro EV (2018).