Maserati Quattroporte (2017) is 117 mm (4.61 inch) longer and 720 kg (1,587 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 50 mm (1.97 inch) wider, 369 mm (14.53 inch) higher and has 150 liters (5.30 ft3) bigger cargo space than Maserati Quattroporte (2017).