BMW 8 Series (G15) (2019) is 516 kg (1,138 lbs) lighter than BMW X6 (2014).
BMW X6 (2014) is 66 mm (2.60 inch) longer, 87 mm (3.43 inch) wider, 348 mm (13.70 inch) higher and has 160 liters (5.65 ft3) bigger cargo space than BMW 8 Series (G15) (2019).