Audi S8 (2014) is 341 mm (13.43 inch) longer, 285 mm (11.22 inch) wider, 63 mm (2.48 inch) higher and has 148 liters (5.23 ft3) bigger cargo space than Bentley Continental Supersports (2014).
Bentley Continental Supersports (2014) is 674 kg (1,486 lbs) lighter than Audi S8 (2014).