BMW 5 Series Gran Turismo (2018) is 575 mm (22.64 inch) longer, 68 mm (2.68 inch) wider, 8 mm (0.31 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than Seat Leon (2020).
Seat Leon (2020) is 84 kg (185 lbs) lighter than BMW 5 Series Gran Turismo (2018).