BMW 5 Series (2014) is 11 mm (0.43 inch) higher and 690 kg (1,521 lbs) lighter than Rolls-Royce Ghost (2018).
Rolls-Royce Ghost (2018) is 401 mm (15.79 inch) longer, 48 mm (1.89 inch) wider and has 51 liters (1.80 ft3) bigger cargo space than BMW 5 Series (2014).