Images and information of the Scion xB and xD were leaked online late last night, ahead of the official launch at the Chicago Auto Show. The Scion xB has a 2.4 liter 4-cylinder engine that produces 158 horsepower which is the same as the TC. The Scion xD will have a 1.8 liter 4-clyinder engine that produces 128 horsepower which is the same found in the Corolla and Matrix.
Transmission choices include five-speed manual or four-speed automatic.
Source: ScionLife (via topspeed)