"Sirius added 102,000 (which) was significantly better than our estimate of a 237,000 decline, and above the 100,000 decline we think was being expected by investors," said J.P. Morgan analyst Lev Polinsky in a note to clients.

"Mel Karmazin expressed optimism about subscribers, and I share an optimism in a broader sense," said Barrington Research analyst James Goss. "It's conceivable that there could be a quarter or two of rockiness; but their latest quarter was better than I thought, so maybe I underestimated how quickly the turn (in car industry sales) could take place."