Saw this at :
www.gmfleet.com/us/acquiring/vehicinfo/vehicle_showroom/vehicles/04ChevroletAvalanche.html
New for 2004 Model Year:
* Stabilitrak vehicle stability enhancement system standard with Premium On-Road Suspension Package
* Tire pressure monitor is standard
* Hydro-Boost Brakes now standard on 1500 series models
* Four exterior colors: Dark Blue Metallic, Silver Birch, Sunburst Orange and Sport Red Metallic
www.gmfleet.com/us/acquiring/vehicinfo/vehicle_showroom/vehicles/04ChevroletAvalanche.html
New for 2004 Model Year:
* Stabilitrak vehicle stability enhancement system standard with Premium On-Road Suspension Package
* Tire pressure monitor is standard
* Hydro-Boost Brakes now standard on 1500 series models
* Four exterior colors: Dark Blue Metallic, Silver Birch, Sunburst Orange and Sport Red Metallic