http://netvouz.com/ovidiu0901/tag/denali?feed=rss ovidiu0901's bookmarks tagged "denali" on Netvouz http://www.zercustoms.com/news/GMC-Sierra-HD-Denali.html The GMC Sierra HD Denali presented at this year's SEMA show in Las Vegas is powered by a 6.6L Duramax V8 diesel engine that is coupled with a six-speed Allison automatic transmission. ovidiu0901 Tue, 30 Oct 2007 22:09:23 GMT