Audi A6 (2014) is 90 mm (3.54 inch) longer, 114 mm (4.49 inch) higher, 279 kg (615 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
BMW 8 Series (G15) (2018) is 28 mm (1.10 inch) wider than Audi A6 (2014).
