BMW 8 Series (G14) (2018) is 73 mm (2.87 inch) longer and 17 mm (0.67 inch) wider than Lexus GX (2018).
Lexus GX (2018) is 355 mm (13.98 inch) higher, 28 kg (62 lbs) lighter and has 972 liters (34.33 ft3) bigger cargo space than BMW 8 Series (G14) (2018).