Kia K900 (2017) is 439 mm (17.28 inch) longer, 10 mm (0.39 inch) wider, 115 kg (254 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 173 mm (6.81 inch) higher than Kia K900 (2017).