BMW 5 Series Gran Turismo (2018) is 198 mm (7.80 inch) longer, 52 mm (2.05 inch) wider and has 5 liters (0.18 ft3) bigger cargo space than Hyundai i40 (2020).
Hyundai i40 (2020) is 2 mm (0.08 inch) higher and 307 kg (677 lbs) lighter than BMW 5 Series Gran Turismo (2018).