BMW 5 Series Gran Turismo (2018) is 168 mm (6.61 inch) longer, 52 mm (2.05 inch) wider and has 25 liters (0.88 ft3) bigger cargo space than Hyundai i40 (2015).
Hyundai i40 (2015) is 2 mm (0.08 inch) higher and 7 kg (15 lbs) lighter than BMW 5 Series Gran Turismo (2018).