Citroen C4 (2017) is 19 mm (0.75 inch) higher and 546 kg (1,204 lbs) lighter than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 526 mm (20.71 inch) longer, 71 mm (2.80 inch) wider and has 32 liters (1.13 ft3) bigger cargo space than Citroen C4 (2017).
