Over the years, the Prius has earned a reputation for being the leader among the world’s greenest cars. With the competition working hard to dethrone the Prius, the pressure is on Toyota to keep innovating. 2012 marks the arrival of the Prius V wagon as well as the upcoming release of a rechargeable electric version. The “regular” Prius’ gas engine is a 1.8L 4-cylinder that delivers 134 hp (including the electric motor). This is combined with a CVT.