Ford Mustang (2018) is 159 mm (6.26 inch) longer and 137 mm (5.39 inch) wider than Mercedes CLA-Class (2015).
Mercedes CLA-Class (2015) is 42 mm (1.65 inch) higher, 327 kg (721 lbs) lighter and has 138 liters (4.87 ft3) bigger cargo space than Ford Mustang (2018).