The Toyota Prius lineup has exploded this year, expanding from just one model to four distinct offerings, including a compact and more affordable 2013 Toyota Prius c. Still, the mainstay for the nameplate remains the regular Prius hatchback. With a few subtle changes for 2012, the model is still pretty hard to beat compared with other hybrids like the Honda Insight and Honda Civic Hybrid, says Cars.com Executive Editor Joe Wiesenfelder.