Hyundai i40 (2020) is 89 mm (3.50 inch) longer, 708 kg (1,561 lbs) lighter and has 175 liters (6.18 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 75 mm (2.95 inch) wider and 189 mm (7.44 inch) higher than Hyundai i40 (2020).