BMW 4 Series (2020) is 2073 mm (81.61 inch) longer, 189 mm (7.44 inch) wider and has 250 liters (8.83 ft3) bigger cargo space than Smart Fortwo (2017).
Smart Fortwo (2017) is 172 mm (6.77 inch) higher and 650 kg (1,433 lbs) lighter than BMW 4 Series (2020).
