2005 Gmc Sierra 1500 HD Tires WT Reg. Cab 4×4 LT245-75R16 E 120-116R WT Reg. Cab 4×2 Post navigationPrevious post: Best 2003 Gmc Sierra 1500 HD Tires & Tire SizeNext post: Best 2006 Gmc Sierra 1500 HD Tires & Tire Size