Hyundai i40 (2015) is 219 kg (483 lbs) lighter than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) is 120 mm (4.72 inch) longer, 39 mm (1.54 inch) wider, 26 mm (1.02 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Hyundai i40 (2015).