A Vespa GTS Super Sport 300 averages €5,866 across all model years. Right now 3 are listed for sale, with the cheapest sitting around €4,999 (typically older years) and the priciest around €6,750 (recent years). The median is €5,850. A good price for a Vespa GTS Super Sport 300 is under €5,424; anything over €6,300 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €4,388 to €5,265 for this model, depending on year and condition.