Mercedes S-Class (2016) is 830 mm (32.68 inch) longer, 159 mm (6.26 inch) wider, 20 mm (0.79 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than Subaru Impreza GP (2014).
Subaru Impreza GP (2014) is 750 kg (1,653 lbs) lighter than Mercedes S-Class (2016).