Hyundai i40 (2015) is 5 mm (0.20 inch) longer and 86 kg (190 lbs) lighter than Hyundai Santa Fe (2018).
Hyundai Santa Fe (2018) is 75 mm (2.95 inch) wider, 209 mm (8.23 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Hyundai i40 (2015).