Audi S4 (2016) is 162 mm (6.38 inch) wider, 1 mm (0.04 inch) higher, 615 kg (1,356 lbs) lighter and has 123 liters (4.34 ft3) bigger cargo space than Bentley Continental Supersports (2014).
Bentley Continental Supersports (2014) is 90 mm (3.54 inch) longer than Audi S4 (2016).