BMW X3 (2018) is 78 mm (3.07 inch) higher, 576 kg (1,270 lbs) lighter and has 236 liters (8.33 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 904 mm (35.59 inch) longer and 96 mm (3.78 inch) wider than BMW X3 (2018).