BMW X7 (2019) is 10 mm (0.39 inch) wider, 167 mm (6.57 inch) higher, 194 kg (428 lbs) lighter and has 291 liters (10.28 ft3) bigger cargo space than Rolls-Royce Phantom (2015).
Rolls-Royce Phantom (2015) is 691 mm (27.20 inch) longer than BMW X7 (2019).