Mercedes M-Class (2014) is 238 mm (9.37 inch) higher, 340 kg (750 lbs) lighter and has 294 liters (10.38 ft3) bigger cargo space than Rolls-Royce Ghost (2014).
Rolls-Royce Ghost (2014) is 595 mm (23.43 inch) longer and 22 mm (0.87 inch) wider than Mercedes M-Class (2014).