A smart #3 averages €39,967 across all model years. Right now 103 are listed for sale, with the cheapest sitting around €29,850 (typically older years) and the priciest around €50,895 (recent years). The median is €39,675. A good price for a smart #3 is under €37,015; anything over €43,175 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €29,756 to €35,708 for this model, depending on year and condition.