2011 Gmc sierra 2500hd diesel specs Read Also: 2008 Gmc sierra 2500hd diesel specs 2010 Gmc sierra 2500hd diesel specs Gmc sierra 2500hd duramax diesel specs 2008 Gmc 2500hd diesel specs 2004 Gmc sierra 2500hd diesel specs 2003 Gmc sierra 2500hd diesel specs
