BMW 4 Series (2013) is 1044 kg (2,302 lbs) lighter than Rolls-Royce Phantom (2016).
Rolls-Royce Phantom (2016) is 1204 mm (47.40 inch) longer, 165 mm (6.50 inch) wider, 276 mm (10.87 inch) higher and has 14 liters (0.49 ft3) bigger cargo space than BMW 4 Series (2013).