Ford Mustang (2018) is 396 mm (15.59 inch) longer and 129 mm (5.08 inch) wider than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 161 mm (6.34 inch) higher, 417 kg (919 lbs) lighter and has 154 liters (5.44 ft3) bigger cargo space than Ford Mustang (2018).
Size difference at a glance
Ford Mustang (2018) is 9% longer than Mercedes B-Class (2017).
Ford Mustang (2018) is 7.2% wider than Mercedes B-Class (2017).
Ford Mustang (2018) is 10.3% lower than Mercedes B-Class (2017).
Ford Mustang (2018) is 29.9% heavier than Mercedes B-Class (2017).
Ford Mustang (2018) is 31.7% smaller in cargo space than Mercedes B-Class (2017).
Overall footprint
Ford Mustang (2018) has a 16.9% larger overall footprint (length × width).