2010 Toyota Prius OVERVIEW The Prius is available in four trim levels - Prius II, Prius III, Prius IV and Prius V - with a base Prius I trim scheduled to arrive later in the model year. 18 Trim levels. Watch Queue Queue Our Prius has more things in common with the Outback it replaced. Hatchback (71) Interior Color. // // -- > , just equipment groups with a string of numbers, not names '.