Audi S4 (2017) is 19 mm (0.75 inch) higher, 230 kg (507 lbs) lighter and has 36 liters (1.27 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2016).
BMW 6 Series Gran Coupe (2016) is 264 mm (10.39 inch) longer and 53 mm (2.09 inch) wider than Audi S4 (2017).
