Audi A7 (2015) is 10 mm (0.39 inch) wider and 110 kg (243 lbs) lighter than BMW 5 Series Touring (2015).
BMW 5 Series Touring (2015) is 28 mm (1.10 inch) longer, 137 mm (5.39 inch) higher and has 25 liters (0.88 ft3) bigger cargo space than Audi A7 (2015).