BMW 8 Series (G15) (2018) is 313 mm (12.32 inch) longer and 122 mm (4.80 inch) wider than Kia Cerato (2014).
Kia Cerato (2014) is 69 mm (2.72 inch) higher, 636 kg (1,402 lbs) lighter and has 62 liters (2.19 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
