BMW 7 Series (2016) is 760 kg (1,676 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 23 liters (0.81 ft3) bigger cargo space than BMW 7 Series (2016).