Ford Mustang (2017) is 367 mm (14.45 inch) longer and 112 mm (4.41 inch) wider than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 100 mm (3.94 inch) higher, 417 kg (919 lbs) lighter and has 97 liters (3.43 ft3) bigger cargo space than Ford Mustang (2017).