Hyundai i40 (2015) is 145 mm (5.71 inch) longer, 37 mm (1.46 inch) wider, 32 mm (1.26 inch) higher and has 35 liters (1.24 ft3) bigger cargo space than Mercedes CLA-Class (2018).
Mercedes CLA-Class (2018) is 207 kg (456 lbs) lighter than Hyundai i40 (2015).