Question: what is a prius 2?
Answer: Two. The 2015 Prius Two is the base trim level, equipped with Toyota's efficient hybrid engine and an array of safety and convenience features. 1.8-liter 4-cylinder ECVT Hybrid Engine with Net Power of 134 Horsepower. 51/48 mpg* Automatic Climate Control with Dust and Pollen Filtration Mode.