A KTM 990 Duke R averages €15,403 across all model years. Right now 6 are listed for sale, with the cheapest sitting around €4,990 (typically older years) and the priciest around €18,269 (recent years). The median is €17,290. A good price for a KTM 990 Duke R is under €17,290; anything over €17,290 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €12,968 to €15,561 for this model, depending on year and condition.