Citroen DS5 (2014) is 11 mm (0.43 inch) wider, 43 mm (1.69 inch) higher, 256 kg (564 lbs) lighter and has 25 liters (0.88 ft3) bigger cargo space than Kia Optima Sportswagon (2020).
Kia Optima Sportswagon (2020) is 325 mm (12.80 inch) longer than Citroen DS5 (2014).