A Kawasaki Ninja 300 averages €4,436 across all model years. Right now 7 are listed for sale, with the cheapest sitting around €3,500 (typically older years) and the priciest around €5,399 (recent years). The median is €4,450. A good price for a Kawasaki Ninja 300 is under €4,200; anything over €4,650 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €3,338 to €4,005 for this model, depending on year and condition.