Audi S5 (2015) is 340 kg (750 lbs) lighter than BMW 5 Series Touring (2015).
BMW 5 Series Touring (2015) is 278 mm (10.94 inch) longer, 46 mm (1.81 inch) wider, 175 mm (6.89 inch) higher and has 79 liters (2.79 ft3) bigger cargo space than Audi S5 (2015).