Kia Rio (Sedan) (2015) is 74 mm (2.91 inch) longer, 22 mm (0.87 inch) higher, 302 kg (666 lbs) lighter and has 46 liters (1.62 ft3) bigger cargo space than Mercedes A-Class (2016).
Mercedes A-Class (2016) is 60 mm (2.36 inch) wider than Kia Rio (Sedan) (2015).