Audi S5 (2017) is 24 kg (53 lbs) lighter than BMW 5 Series Gran Turismo (2018).
BMW 5 Series Gran Turismo (2018) is 225 mm (8.86 inch) longer, 13 mm (0.51 inch) wider, 86 mm (3.39 inch) higher and has 49 liters (1.73 ft3) bigger cargo space than Audi S5 (2017).