A Piaggio GTS 300 averages €5,480 across all model years. Right now 5 are listed for sale, with the cheapest sitting around €5,100 (typically older years) and the priciest around €6,200 (recent years). The median is €5,250. A good price for a Piaggio GTS 300 is under €5,150; anything over €5,700 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €3,938 to €4,725 for this model, depending on year and condition.