Annual percent change in the Consumer Price Index for All Urban Consumers, new vehicles and used cars and trucks, 1996–2005 Percent change for 12 months ended December New vehicles Used cars and trucks 1996 1.8 -1.6 1997 -0.9 -4.9 1998 0.0 3.5 1999 -0.3 1.2 2000 0.0 3.4 2001 -0.1 -1.9 2002 -2.0 -5.5 2003 -1.8 -11.8 2004 0.6 4.8 2005 -0.4 1.4