Mercedes G-Class (2019) is 290 mm (11.42 inch) longer, 131 mm (5.16 inch) wider, 674 mm (26.54 inch) higher and has 517 liters (18.26 ft3) bigger cargo space than Porsche 718 Cayman (2014).
Porsche 718 Cayman (2014) is 1027 kg (2,264 lbs) lighter than Mercedes G-Class (2019).