Audi A8 (2017) is 368 mm (14.49 inch) longer, 68 mm (2.68 inch) higher, 227 kg (500 lbs) lighter and has 148 liters (5.23 ft3) bigger cargo space than Bentley Continental (2020).
Bentley Continental (2020) is 8 mm (0.31 inch) wider than Audi A8 (2017).