Audi A7 (2020) is 340 mm (13.39 inch) longer, 97 mm (3.82 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than BMW 3 Series Touring (2015).
BMW 3 Series Touring (2015) is 9 mm (0.35 inch) higher and 400 kg (882 lbs) lighter than Audi A7 (2020).