Towing capacity of a 2004 gmc sierra 1500 Read Also: 2008 Gmc sierra 1500 towing capacity 2008 Gmc sierra 1500 sle towing capacity Towing capacity of 2004 gmc sierra 1500 Gmc sierra 1500 towing capacity 1994 Gmc sierra 1500 towing capacity 2004 Gmc sierra 1500 towing capacity
