BMW X6 (2018) is 3 mm (0.12 inch) wider, 104 mm (4.09 inch) higher, 500 kg (1,102 lbs) lighter and has 186 liters (6.57 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2016).
Rolls-Royce Phantom Coupe (2016) is 688 mm (27.09 inch) longer than BMW X6 (2018).