Audi S4 (2016) is 14 mm (0.55 inch) longer and 16 mm (0.63 inch) wider than Mercedes C-Class (Estate) (2017).
Mercedes C-Class (Estate) (2017) is 51 mm (2.01 inch) higher, 110 kg (243 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than Audi S4 (2016).
