BMW 8 Series (G14) (2018) is 167 mm (6.57 inch) longer and 30 mm (1.18 inch) wider than Mazda CX-7 (2016).
Mazda CX-7 (2016) is 307 mm (12.09 inch) higher, 84 kg (185 lbs) lighter and has 496 liters (17.52 ft3) bigger cargo space than BMW 8 Series (G14) (2018).