BMW 8 Series (G15) (2018) is 636 kg (1,402 lbs) lighter than Rolls-Royce Phantom (2020).
Rolls-Royce Phantom (2020) is 928 mm (36.54 inch) longer, 115 mm (4.53 inch) wider, 305 mm (12.01 inch) higher and has 118 liters (4.17 ft3) bigger cargo space than BMW 8 Series (G15) (2018).