A BMW R 1150 GS Adventure averages €4,998 across all model years. Right now 3 are listed for sale, with the cheapest sitting around €2,495 (typically older years) and the priciest around €6,500 (recent years). The median is €6,000. A good price for a BMW R 1150 GS Adventure is under €4,248; anything over €6,250 is on the high side compared with similar listings. Selling to a dealer instead of privately usually means a lower price: expect roughly €4,500 to €5,400 for this model, depending on year and condition.