We are currently in the midst of the worst used-vehicle market in the past 25 years. Year-over-year prices declined every month in 2008; however, wholesale prices did improve the first 10 days of January. Despite this, many fleets now find that the depreciation rates established 24-36 months ago are insufficient for today's resale market. In many cases, resale values of fleet vehicles are significantly below the remaining book value. Here's a forecast for what lies ahead in the wholesale market.