Question: what is the difference between prius c one two three and four?
Answer: Prius c Three ($22,375) gets a Smart Key system with pushbutton start, Touch Tracer display, and premium audio with navigation, an apps suite, satellite radio, and HD radio. Prius c Four ($24,965) comes with LED foglamps, a rearview camera, heated power mirrors, moonroof, and SofTex-trimmed heated front seats.