there is not any differences performance wise same engine and same trans , they are both have the LSE bumpers, the 2005 LSE will have all red tailights and the 2006 will have two toned , the 2005 LSE will have the LSE spoiler , rims will be different , depends on the options each have but they all usually the same , unless the sunroof, parking sensors , electronic pedals , NAV were not bought as options