Audi S4 (2015) is 30 mm (1.18 inch) longer, 16 mm (0.63 inch) wider and has 124 liters (4.38 ft3) bigger cargo space than Mercedes C-Class (Coupe) (2017).
Mercedes C-Class (Coupe) (2017) is 3 mm (0.12 inch) higher and 155 kg (342 lbs) lighter than Audi S4 (2015).
