BMW 8 Series (G14) (2019) is 532 kg (1,173 lbs) lighter than BMW X7 (2018).
BMW X7 (2018) is 308 mm (12.13 inch) longer, 98 mm (3.86 inch) wider, 466 mm (18.35 inch) higher and has 400 liters (14.13 ft3) bigger cargo space than BMW 8 Series (G14) (2019).