BMW 8 Series (G15) (2019) is 808 mm (31.81 inch) longer, 168 mm (6.61 inch) wider and has 94 liters (3.32 ft3) bigger cargo space than Hyundai i20 (2015).
Hyundai i20 (2015) is 133 mm (5.24 inch) higher and 764 kg (1,684 lbs) lighter than BMW 8 Series (G15) (2019).