Hyundai i40 (2020) is 56 mm (2.20 inch) higher, 558 kg (1,230 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 281 mm (11.06 inch) longer and 82 mm (3.23 inch) wider than Hyundai i40 (2020).