BMW 8 Series (G16) (2020) is 708 mm (27.87 inch) longer and 106 mm (4.17 inch) wider than Kia Niro EV (2019).
Kia Niro EV (2019) is 153 mm (6.02 inch) higher, 186 kg (410 lbs) lighter and has 84 liters (2.97 ft3) bigger cargo space than BMW 8 Series (G16) (2020).