BMW 7 Series (2018) is 700 kg (1,543 lbs) lighter than Rolls-Royce Phantom (2018).
Rolls-Royce Phantom (2018) is 891 mm (35.08 inch) longer, 115 mm (4.53 inch) wider, 178 mm (7.01 inch) higher and has 24 liters (0.85 ft3) bigger cargo space than BMW 7 Series (2018).