Kia Optima (2017) is 225 mm (8.86 inch) longer, 82 mm (3.23 inch) wider, 32 mm (1.26 inch) higher and has 40 liters (1.41 ft3) bigger cargo space than Mercedes CLA-Class (2015).
Mercedes CLA-Class (2015) is 75 kg (165 lbs) lighter than Kia Optima (2017).
