Maserati Quattroporte (2017) is 607 mm (23.90 inch) longer, 58 mm (2.28 inch) wider, 240 kg (529 lbs) lighter and has 180 liters (6.36 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 178 mm (7.01 inch) higher than Maserati Quattroporte (2017).