Citroen DS5 (2017) is 11 mm (0.43 inch) wider, 35 mm (1.38 inch) higher, 211 kg (465 lbs) lighter and has 25 liters (0.88 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 325 mm (12.80 inch) longer than Citroen DS5 (2017).