Mercedes M-Class (2014) is 224 mm (8.82 inch) longer, 130 mm (5.12 inch) wider, 313 mm (12.32 inch) higher and has 350 liters (12.36 ft3) bigger cargo space than Subaru Impreza WRX (2017).
Subaru Impreza WRX (2017) is 616 kg (1,358 lbs) lighter than Mercedes M-Class (2014).