XM Satellite Radio announced it is a standard feature for the first time on all General Motors 2008 model year Buick, Hummer and Saab vehicles. XM is also now standard across many of the most popular vehicles in the Saturn, Chevrolet, GMC and Pontiac lineups, including: the all-new 2008 Chevrolet Malibu, Silverado, Tahoe, Cobalt, Corvette and Impala; Saturn VUE, Outlook, Aura and Sky; GMC Acadia, Yukon, and Sierra; and Pontiac G5 and Solstice models among others.
