BMW X6 (2015) is 42 mm (1.65 inch) wider, 195 mm (7.68 inch) higher, 340 kg (750 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than Rolls-Royce Wraith (2017).
Rolls-Royce Wraith (2017) is 372 mm (14.65 inch) longer than BMW X6 (2015).