BMW 4 Series (2020) is 1049 kg (2,313 lbs) lighter than Rolls-Royce Phantom (2015).
Rolls-Royce Phantom (2015) is 1074 mm (42.28 inch) longer, 138 mm (5.43 inch) wider, 255 mm (10.04 inch) higher and has 19 liters (0.67 ft3) bigger cargo space than BMW 4 Series (2020).