Audi A7 (2019) is 8 mm (0.31 inch) wider and 70 kg (154 lbs) lighter than BMW 5 Series Touring (2016).
BMW 5 Series Touring (2016) is 23 mm (0.91 inch) longer, 137 mm (5.39 inch) higher and has 25 liters (0.88 ft3) bigger cargo space than Audi A7 (2019).
Size difference at a glance
Audi A7 (2019) is 0.5% shorter than BMW 5 Series Touring (2016).
Audi A7 (2019) is 0.4% wider than BMW 5 Series Touring (2016).
Audi A7 (2019) is 8.8% lower than BMW 5 Series Touring (2016).
Audi A7 (2019) is 3.5% lighter than BMW 5 Series Touring (2016).
Audi A7 (2019) is 4.5% smaller in cargo space than BMW 5 Series Touring (2016).
Summary
BMW 5 Series Touring (2016) is the larger car on 3 of 4 key dimensions.