BMW X4 (2020) is 20 mm (0.79 inch) higher, 528 kg (1,164 lbs) lighter and has 211 liters (7.45 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 854 mm (33.62 inch) longer and 60 mm (2.36 inch) wider than BMW X4 (2020).