Citroen C4 (2014) is 19 mm (0.75 inch) higher and 435 kg (959 lbs) lighter than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) 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 (2014).
