Ford Mustang (2017) is 374 mm (14.72 inch) longer and 82 mm (3.23 inch) wider than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 217 mm (8.54 inch) higher, 249 kg (549 lbs) lighter and has 111 liters (3.92 ft3) bigger cargo space than Ford Mustang (2017).