BMW 8 Series (G15) (2020) is 728 mm (28.66 inch) longer and 137 mm (5.39 inch) wider than Hyundai ix20 (2015).
Hyundai ix20 (2015) is 259 mm (10.20 inch) higher, 571 kg (1,259 lbs) lighter and has 20 liters (0.71 ft3) bigger cargo space than BMW 8 Series (G15) (2020).