Volkswagen of America will offer Sirius as standard equipment in Touareg2, New Beetle, New Beetle Convertible, GTI and GLI models.
The move takes effect with the 2008 model year, available later this year.
Sirius will also be available on Jetta, Passat and EOS models. VW first offered Sirius on the New Beetle in 2004. Volkswagen offers three months of complimentary service on vehicles equipped with Sirius.