Citroen C1 (2017) is 759 kg (1,673 lbs) lighter than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 1389 mm (54.69 inch) longer, 240 mm (9.45 inch) wider, 2 mm (0.08 inch) higher and has 244 liters (8.62 ft3) bigger cargo space than Citroen C1 (2017).