Mercedes GL-Class (2014) is 655 mm (25.79 inch) longer, 190 mm (7.48 inch) wider, 555 mm (21.85 inch) higher and has 535 liters (18.89 ft3) bigger cargo space than Porsche 911 (2014).
Porsche 911 (2014) is 1035 kg (2,282 lbs) lighter than Mercedes GL-Class (2014).