Audi S4 (2018) is 178 mm (7.01 inch) wider, 6 mm (0.24 inch) higher, 570 kg (1,257 lbs) lighter and has 138 liters (4.87 ft3) bigger cargo space than Bentley Continental Supersports (2014).
Bentley Continental Supersports (2014) is 61 mm (2.40 inch) longer than Audi S4 (2018).