Kia Optima Sportswagon (2015) is 2160 mm (85.04 inch) longer, 197 mm (7.76 inch) wider and has 363 liters (12.82 ft3) bigger cargo space than Smart Fortwo (2017).
Smart Fortwo (2017) is 85 mm (3.35 inch) higher and 600 kg (1,323 lbs) lighter than Kia Optima Sportswagon (2015).
