Mercedes C-Class (2015) is 61 mm (2.40 inch) longer, 32 mm (1.26 inch) wider and has 132 liters (4.66 ft3) bigger cargo space than Subaru Impreza GT (2019).
Subaru Impreza GT (2019) is 13 mm (0.51 inch) higher and 225 kg (496 lbs) lighter than Mercedes C-Class (2015).