Citroen C-Elysee (2017) is 465 kg (1,025 lbs) lighter than Kia Optima (2018).
Kia Optima (2018) is 413 mm (16.26 inch) longer, 112 mm (4.41 inch) wider, 24 mm (0.94 inch) higher and has 4 liters (0.14 ft3) bigger cargo space than Citroen C-Elysee (2017).