BMW 8 Series (G15) (2019) is 615 mm (24.21 inch) longer, 92 mm (3.62 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than Seat Leon SC (2014).
Seat Leon SC (2014) is 105 mm (4.13 inch) higher and 635 kg (1,400 lbs) lighter than BMW 8 Series (G15) (2019).