2004 Gmc sierra 2500 hd Read Also: 2004 Gmc sierra 2500 diesel for sale 2004 Gmc sierra 2500 for sale 2004 Gmc sierra 2500 fuel economy 2004 Gmc sierra 2500 diesel 2004 Gmc sierra 2500 mpg Recalls for 2004 gmc sierra 2500