Audi S7 (2018) is 8 mm (0.31 inch) wider, 90 kg (198 lbs) lighter and has 35 liters (1.24 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).
BMW 5 Series Gran Turismo (2015) is 26 mm (1.02 inch) longer and 137 mm (5.39 inch) higher than Audi S7 (2018).