Mercedes G-Class (2019) is 211 mm (8.31 inch) longer, 128 mm (5.04 inch) wider, 699 mm (27.52 inch) higher and has 483 liters (17.06 ft3) bigger cargo space than Porsche 718 Cayman (2021).
Porsche 718 Cayman (2021) is 1017 kg (2,242 lbs) lighter than Mercedes G-Class (2019).