BMW 8 Series (G15) (2020) is 103 mm (4.06 inch) longer and 87 mm (3.43 inch) wider than Hyundai i40 Tourer (2015).
Hyundai i40 Tourer (2015) is 129 mm (5.08 inch) higher, 429 kg (946 lbs) lighter and has 133 liters (4.70 ft3) bigger cargo space than BMW 8 Series (G15) (2020).