Audi S8 (2015) is 304 mm (11.97 inch) longer, 47 mm (1.85 inch) wider, 127 mm (5.00 inch) higher and has 85 liters (3.00 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
BMW 8 Series (G15) (2018) is 1070 kg (2,359 lbs) lighter than Audi S8 (2015).
