XM Satellite Radio added nearly 1.7 million new subscribers in 2006 to close the year with more than 7.6 million subscribers, the company announced Jan. 5.

XM fell short of its goal of 7.7 million subscribers by the end of the year, a target the company had lowered from 9 million at the beginning of 2006. XM added more than 442,000 new net subscribers in the 2006 fourth quarter, down from 900,000 in the 2005 third quarter.