automobiles 2020 Toyota Prius Prime Improvements Include Fifth Seat Posted on May 3, 2019 by eSano Toyota, all too aware its Prius Prime has underperformed compared to expectations, is bringing in some major changes for the 2020 edition. Chief among them is the configuration of the second row which brings the number of seats up from four to five. eSano More Changes for the Chevy Camaro in 2020 GM Recalling 324,000 HD Diesel Pickups Over Fire Risk