BMW 8 Series (G15) (2020) is 469 mm (18.46 inch) longer and 76 mm (2.99 inch) wider than Kia Niro EV (2019).
Kia Niro EV (2019) is 219 mm (8.62 inch) higher, 101 kg (223 lbs) lighter and has 104 liters (3.67 ft3) bigger cargo space than BMW 8 Series (G15) (2020).