Maserati Quattroporte (2014) is 633 mm (24.92 inch) longer, 170 mm (6.69 inch) wider, 43 mm (1.69 inch) higher and has 60 liters (2.12 ft3) bigger cargo space than Mercedes CLA-Class (2018).
Mercedes CLA-Class (2018) is 375 kg (827 lbs) lighter than Maserati Quattroporte (2014).