Kia Optima Sportswagon (2017) is 53 mm (2.09 inch) higher and 60 kg (132 lbs) lighter than Mercedes CLS-Class (2014).
Mercedes CLS-Class (2014) is 85 mm (3.35 inch) longer, 22 mm (0.87 inch) wider and has 80 liters (2.83 ft3) bigger cargo space than Kia Optima Sportswagon (2017).