A BMW R 18 Roctane averages €22,466 across all model years. Right now 5 are listed for sale, with the cheapest sitting around €20,990 (typically older years) and the priciest around €23,950 (recent years). The median is €21,950. A good price for a BMW R 18 Roctane is under €21,490; anything over €23,950 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €16,462 to €19,755 for this model, depending on year and condition.