BMW 3 Series Gran Turismo (2018) is 49 mm (1.93 inch) longer, 13 mm (0.51 inch) wider, 38 mm (1.50 inch) higher and has 15 liters (0.53 ft3) bigger cargo space than Hyundai i40 (2015).
Hyundai i40 (2015) is 43 kg (95 lbs) lighter than BMW 3 Series Gran Turismo (2018).