Audi S7 (2020) is 337 mm (13.27 inch) longer, 100 mm (3.94 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than BMW 3 Series Touring (2017).
BMW 3 Series Touring (2017) is 7 mm (0.28 inch) higher and 201 kg (443 lbs) lighter than Audi S7 (2020).