Ferrari Roma (2020) is 107 mm (4.21 inch) wider and 1025 kg (2,260 lbs) lighter than Mercedes G-Class (2016).
Mercedes G-Class (2016) is 108 mm (4.25 inch) longer, 653 mm (25.71 inch) higher and has 195 liters (6.89 ft3) bigger cargo space than Ferrari Roma (2020).