I was under the impression that the make is SCION and the model is xB. But, on some of my paperwork (including the extended warranty from Toyota), it is listed as MAKE: TOYOTA and MODEL: SCION XB.
In 1980, I purchased Toyota's first front wheel drive car known as a Tercel. Toyota wanted people to feel good about the new car model , so they through in the Corolla name. Later they dropped the Corolla name from the side fender after the car became familiar to the public.
So I believe that we have a Toyota Scion xB, it's a Toyota!