2006 Gmc 2500hd diesel specs Read Also: 2008 Gmc 2500hd diesel specs 2008 Gmc sierra 2500hd diesel specs 2004 Gmc 2500hd diesel specs 2006 Gmc sierra 2500hd diesel specs 2010 Gmc sierra 2500hd diesel specs 2006 Gmc 2500hd duramax specs
