BMW 8 Series (G16) (2020) is 707 mm (27.83 inch) longer and 127 mm (5.00 inch) wider than Kia Niro EV (2018).
Kia Niro EV (2018) is 153 mm (6.02 inch) higher, 161 kg (355 lbs) lighter and has 84 liters (2.97 ft3) bigger cargo space than BMW 8 Series (G16) (2020).