Check back again once the iA and iM have been on sale for a bit. Porsche is a great company that sells tons of vehicles, and Scion is renewing their line up to regain volume, so given the state of things right now, this does not surprise me.
Not surprised one bit, I actually see way more new Porsche's than I do of any Scion's. But with the iA and iM it seems like that could slowly change. If Scion keeps this up they could out pace Porsche.