BMW X7 (2020) is 10 mm (0.39 inch) wider, 167 mm (6.57 inch) higher, 194 kg (428 lbs) lighter and has 297 liters (10.49 ft3) bigger cargo space than Rolls-Royce Phantom (2017).
Rolls-Royce Phantom (2017) is 691 mm (27.20 inch) longer than BMW X7 (2020).