GMinsidenews have uncovered details stating that the next generation Silverado and Sierra HD pickup trucks will “have a completely new chassis and a new Duramax diesel with 2010 emissions". Vice President of Chevrolet Global Brand Brent Dewar spilled the details during a recent interview. "We are coming with a next generation Silverado and Sierra HD next year". Brian Goebel, a Chevrolet spokesman also confirmed the news, stating "We will have very significant enhancements, including the chassis, on top of the powertrain changes next year".