For each make displayed, the Discount Percentage by Make data is the sales-weighted average percentage difference between the MSRP and the True Market Value® of all available trim levels of that make's models sold in the months indicated. See Edmunds pricing dataHas Your Car's Value Changed?Used car values are constantly changing. Edmunds lets you track your vehicle's value over time so you can decide when to sell or trade in. Year Make ModelSee pricing history