2011 North American International Auto Show - Toyota's Big Annoncement? The Prius is going from one single line of cars, to an entire family. The first review by Motor Trend focuses on the new 2012 Prius V - a very impressive, bigger capacity vehicle rated at 42MPG City, 38 HWY. Toyota also shows their Prius C concept, meant to compete against the Honda Fit..offering the best fuel economy of an non-electric hybrid vehicle in the US.