Kia Optima Sportswagon (2020) is 53 mm (2.09 inch) higher than Mercedes CLS-Class (2018).
Mercedes CLS-Class (2018) is 85 mm (3.35 inch) longer, 22 mm (0.87 inch) wider, 51 kg (112 lbs) lighter and has 80 liters (2.83 ft3) bigger cargo space than Kia Optima Sportswagon (2020).