Kia Ceed (2014) is 176 mm (6.93 inch) longer, 167 mm (6.57 inch) higher, 197 kg (434 lbs) lighter and has 45 liters (1.59 ft3) bigger cargo space than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 37 mm (1.46 inch) wider than Kia Ceed (2014).