Kia Optima Sportswagon (2018) is 2160 mm (85.04 inch) longer, 197 mm (7.76 inch) wider and has 250 liters (8.83 ft3) bigger cargo space than Smart Fortwo (2018).
Smart Fortwo (2018) is 85 mm (3.35 inch) higher and 876 kg (1,931 lbs) lighter than Kia Optima Sportswagon (2018).
