BMW 8 Series (G14) (2020) is 229 mm (9.02 inch) longer and 102 mm (4.02 inch) wider than Kia Pro Ceed (2020).
Kia Pro Ceed (2020) is 83 mm (3.27 inch) higher, 597 kg (1,316 lbs) lighter and has 45 liters (1.59 ft3) bigger cargo space than BMW 8 Series (G14) (2020).