BMW 8 Series (G14) (2018) is 38 kg (84 lbs) lighter than Mazda CX-9 (2017).
Mazda CX-9 (2017) is 263 mm (10.35 inch) longer, 34 mm (1.34 inch) wider, 389 mm (15.31 inch) higher and has 731 liters (25.81 ft3) bigger cargo space than BMW 8 Series (G14) (2018).