Mercedes X-Class (2017) is 849 mm (33.43 inch) longer, 112 mm (4.41 inch) wider, 524 mm (20.63 inch) higher and has 1015 liters (35.84 ft3) bigger cargo space than Porsche 911 (2018).
Porsche 911 (2018) is 613 kg (1,351 lbs) lighter than Mercedes X-Class (2017).