Mercedes CLA-Class (2015) is 50 mm (1.97 inch) longer, 49 kg (108 lbs) lighter and has 130 liters (4.59 ft3) bigger cargo space than Subaru Impreza WRX (2020).
Subaru Impreza WRX (2020) is 18 mm (0.71 inch) wider and 37 mm (1.46 inch) higher than Mercedes CLA-Class (2015).