Hyundai i40 (2015) is 89 mm (3.50 inch) longer, 5 mm (0.20 inch) wider, 28 mm (1.10 inch) higher and has 25 liters (0.88 ft3) bigger cargo space than Mercedes C-Class (2019).
Mercedes C-Class (2019) is 247 kg (545 lbs) lighter than Hyundai i40 (2015).