BMW 8 Series (G14) (2018) is 289 mm (11.38 inch) longer and 63 mm (2.48 inch) wider than Mazda CX-5 (2021).
Mazda CX-5 (2021) is 370 mm (14.57 inch) higher, 392 kg (864 lbs) lighter and has 524 liters (18.50 ft3) bigger cargo space than BMW 8 Series (G14) (2018).