BMW 8 Series (G15) (2019) is 575 kg (1,268 lbs) lighter than BMW X6 (2020).
BMW X6 (2020) is 98 mm (3.86 inch) longer, 117 mm (4.61 inch) wider, 351 mm (13.82 inch) higher and has 160 liters (5.65 ft3) bigger cargo space than BMW 8 Series (G15) (2019).