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The 2012 Jeep Grand Cherokee SRT8 debuted on Wednesday at the 2011 New York Auto Show, filling a gap in Chrysler's SRT lineup. It is being described by the automaker as "the most powerful Jeep vehicle ever" and comes equipped with a new 465-horsepower 6.4-liter Hemi V8 engine. Pricing will be announced closer to launch in the third quarter of 2011.
Source: 2012 Jeep Grand Cherokee SRT8 Muscles Into 2011 New York Auto Show (http://www.insideline.com:80/jeep/grand-cherokee/2012/2012-jeep-grand-cherokee-srt8-muscles-into-2011-new-york-auto-show.html)