Audi A8 (2016) is 534 mm (21.02 inch) longer, 119 mm (4.69 inch) wider, 84 mm (3.31 inch) higher and has 24 liters (0.85 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2018).
BMW 4 Series Gran Coupe (2018) is 205 kg (452 lbs) lighter than Audi A8 (2016).
