Audi S7 (2019) is 347 mm (13.66 inch) longer, 97 mm (3.82 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than BMW 3 Series Touring (2016).
BMW 3 Series Touring (2016) is 7 mm (0.28 inch) higher and 400 kg (882 lbs) lighter than Audi S7 (2019).