Maserati Quattroporte (2017) is 499 mm (19.65 inch) longer, 81 mm (3.19 inch) wider, 735 kg (1,620 lbs) lighter and has 43 liters (1.52 ft3) bigger cargo space than Mercedes G-Class (2015).
Mercedes G-Class (2015) is 473 mm (18.62 inch) higher than Maserati Quattroporte (2017).