In the latest issue of Truck Trend they list the XM radio partners and HUMMER is one of them. I figure 2004 it will be an option.
2003 Hummer H2, BLACK, Lux. Pkg but switched all chrome to BLACK, U-Steps, Breathless HID lights and Stage 2B engine kit, Mazzi Maximus 18" chrome wheels and BFG 35X12.50 18 KM Mud Terrain Tires, Alpine DVD Navigation System, Myron & Davis 7" headrest monitors, Audiovox 10 disc DVD Changer, XM Delphi Satellite radio, NSXTC DRL upgrade, Whelen Air Horn, Light Bar, Warn 9.5ti winch
2002 Porsche 911 Twin Turbo
2003 Dodge Viper SRT/10 #150
2003 Honda Odyssey EX
2003 Harley V-Rod Radical Red #68 of 200
http://y42.photos.yahoo.com/bc/robydi2001