BMW 5 Series Gran Turismo (2015) is 638 mm (25.12 inch) longer, 101 mm (3.98 inch) wider, 99 mm (3.90 inch) higher and has 230 liters (8.12 ft3) bigger cargo space than Seat Leon (2020).
Seat Leon (2020) is 515 kg (1,135 lbs) lighter than BMW 5 Series Gran Turismo (2015).