BMW 7 Series (2018) is 700 kg (1,543 lbs) lighter than Rolls-Royce Phantom (2020).
Rolls-Royce Phantom (2020) is 673 mm (26.50 inch) longer, 115 mm (4.53 inch) wider, 168 mm (6.61 inch) higher and has 24 liters (0.85 ft3) bigger cargo space than BMW 7 Series (2018).