Since the market crashed in 2008 and then recovered as quickly in 2009, we have witnessed several years of relatively flat year-on-year used car depreciation, although we are slowly returning to a more normal pattern. For instance, in 2012, values dropped by just 7.8% overall for the year, compared with a long-term average of -14.5% (excluding 2008 and 2009). In 2013 and 2014, this extended to -...