BMW 8 Series (G15) (2018) is 213 mm (8.39 inch) longer and 32 mm (1.26 inch) wider than Lexus NX (2015).
Lexus NX (2015) is 305 mm (12.01 inch) higher, 137 kg (302 lbs) lighter and has 81 liters (2.86 ft3) bigger cargo space than BMW 8 Series (G15) (2018).