Kia Optima (2017) is 563 mm (22.17 inch) longer, 80 mm (3.15 inch) wider, 37 mm (1.46 inch) higher and has 169 liters (5.97 ft3) bigger cargo space than Mercedes A-Class (2016).
Mercedes A-Class (2016) is 165 kg (364 lbs) lighter than Kia Optima (2017).
