Audi A7 (2016) is 335 mm (13.19 inch) longer, 99 mm (3.90 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than BMW 3 Series Touring (2016).
BMW 3 Series Touring (2016) is 9 mm (0.35 inch) higher and 265 kg (584 lbs) lighter than Audi A7 (2016).