Maserati Quattroporte (2020) is 839 mm (33.03 inch) longer, 144 mm (5.67 inch) wider and has 109 liters (3.85 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 13 mm (0.51 inch) higher and 465 kg (1,025 lbs) lighter than Maserati Quattroporte (2020).