A BMW R 18 Roctane averages €24,222 across all model years. Right now 4 are listed for sale, with the cheapest sitting around €22,500 (typically older years) and the priciest around €26,490 (recent years). The median is €23,950. A good price for a BMW R 18 Roctane is under €23,588; anything over €24,585 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €17,962 to €21,555 for this model, depending on year and condition.