Citroen C5 (2020) is 220 mm (8.66 inch) higher and 313 kg (690 lbs) lighter than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 355 mm (13.98 inch) longer, 1 mm (0.04 inch) wider and has 1 liters (0.04 ft3) bigger cargo space than Citroen C5 (2020).