BMW 4 Series (2013) is 1943 mm (76.50 inch) longer, 162 mm (6.38 inch) wider and has 255 liters (9.01 ft3) bigger cargo space than Smart Fortwo (2016).
Smart Fortwo (2016) is 193 mm (7.60 inch) higher and 635 kg (1,400 lbs) lighter than BMW 4 Series (2013).
