Audio is offering Sirius Satellite Radio as a factory-installed option on the 2005 Audi A8, TT Coupe and TT Roadster. XM Satellite Radio is available as a factory-installed feature on the 2005 model year Audi A8 and Audi TT.
Sirius is already a dealer-installed option on these models and is also available as a factory- or dealer-installed option on the A4, S4 and A6 models. The 2004 A8 can be retrofitted for Sirius. Audi offers XM as a dealer-installed feature on its A4, S4, A6, RS, A8, and all road quattro models.
Sirius and XM options come with three free months of service. Sirius also offers no activation fee for new subscribers through Audi.