A Triumph Daytona 660 averages €10,476 across all model years. Right now 8 are listed for sale, with the cheapest sitting around €8,500 (typically older years) and the priciest around €11,745 (recent years). The median is €11,070. A good price for a Triumph Daytona 660 is under €9,665; anything over €11,258 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €8,302 to €9,963 for this model, depending on year and condition.