Maserati Quattroporte (2014) is 384 mm (15.12 inch) longer, 94 mm (3.70 inch) wider, 38 mm (1.50 inch) higher and 20 kg (44 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) has 10 liters (0.35 ft3) bigger cargo space than Maserati Quattroporte (2014).