Audi A8 (2015) is 422 mm (16.61 inch) longer, 47 mm (1.85 inch) wider, 130 mm (5.12 inch) higher and has 70 liters (2.47 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
BMW 8 Series (G15) (2018) is 86 kg (190 lbs) lighter than Audi A8 (2015).
