A Audi S5 averages €24,894 across all model years. Right now 200 are listed for sale, with the cheapest sitting around €7,500 (typically older years) and the priciest around €39,950 (recent years). The median is €24,200. A good price for a Audi S5 is under €15,000; anything over €34,500 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €18,150 to €21,780 for this model, depending on year and condition.