http://www.automedia.com/cs/blogs/auto_news/archive/2008/03/17/unveiled-400-hp-2009-pontiac-g8-gxp.aspxAs the automotive world counts down to the New York auto show this week, Pontiac has released a preview of the 2009 Pontiac G8 GXP muscle sedan. Marking a significant gain in performance, the GXP produces Corvette-grade 402 horsepower from an 6.2-literenCommunityServer 2007.1 (Build: 20917.1142)