Hyundai i40 (2015) is 53 mm (2.09 inch) higher, 528 kg (1,164 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Mercedes CL-Class (2018).
Mercedes CL-Class (2018) is 320 mm (12.60 inch) longer and 57 mm (2.24 inch) wider than Hyundai i40 (2015).