Kia Rio (Sedan) (2015) is 46 mm (1.81 inch) higher, 457 kg (1,008 lbs) lighter and has 31 liters (1.09 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 320 mm (12.60 inch) longer and 90 mm (3.54 inch) wider than Kia Rio (Sedan) (2015).