Hyundai i40 (2020) is 53 mm (2.09 inch) higher, 383 kg (844 lbs) lighter and has 5 liters (0.18 ft3) bigger cargo space than Mercedes CLS-Class (2017).
Mercedes CLS-Class (2017) is 195 mm (7.68 inch) longer and 67 mm (2.64 inch) wider than Hyundai i40 (2020).