BMW 7 Series (2015) is 760 kg (1,676 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 23 liters (0.81 ft3) bigger cargo space than BMW 7 Series (2015).