Maserati Quattroporte (2017) is 853 mm (33.58 inch) longer, 114 mm (4.49 inch) wider and has 95 liters (3.35 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 130 mm (5.12 inch) higher and 297 kg (655 lbs) lighter than Maserati Quattroporte (2017).