Interesting about the Impala rust problems. My brother had a 2002 or 2003 Impala ex-cop car, which had the same body as the 2004 and 2005, and his rusted badly around the front suspension attachment points. He eventually had to retire it. He lived in Pennsylvania, where salt was used early and often in winter.I think that was the first I'd seen. The second was on my psycho ex's 2004 Impala... hers was not quite leaking yet but very close. Funny thing is the 3800 ran great on hers and the rad started falling out because the rad cradle was so rusted out.