Hyundai i30 (2015) is 10 mm (0.39 inch) wider, 40 mm (1.57 inch) higher, 335 kg (739 lbs) lighter and has 47 liters (1.66 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2014).
Mercedes C-Class (Coupe) (2014) is 292 mm (11.50 inch) longer than Hyundai i30 (2015).