Mercedes G-Class (2016) is 266 mm (10.47 inch) higher than Porsche Cayenne (2014).
Porsche Cayenne (2014) is 91 mm (3.58 inch) longer, 87 mm (3.43 inch) wider, 410 kg (904 lbs) lighter and has 183 liters (6.46 ft3) bigger cargo space than Mercedes G-Class (2016).