Mercedes M-Class (2014) is 313 mm (12.32 inch) longer, 118 mm (4.65 inch) wider, 493 mm (19.41 inch) higher and has 545 liters (19.25 ft3) bigger cargo space than Porsche 911 (2019).
Porsche 911 (2019) is 605 kg (1,334 lbs) lighter than Mercedes M-Class (2014).