BMW 8 Series (G14) (2018) is 533 mm (20.98 inch) longer than Kia Pro Ceed (2017).
Kia Pro Ceed (2017) is 133 mm (5.24 inch) wider, 131 mm (5.16 inch) higher, 722 kg (1,592 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than BMW 8 Series (G14) (2018).