Citroen C-Elysee (2017) is 495 kg (1,091 lbs) lighter than Kia Optima (2016).
Kia Optima (2016) is 413 mm (16.26 inch) longer, 112 mm (4.41 inch) wider, 19 mm (0.75 inch) higher and has 4 liters (0.14 ft3) bigger cargo space than Citroen C-Elysee (2017).