For anyone curious, The Tercel/Paseo was the equal to the Toyota Starlet in Japan. When the Starlet was killed off, the Vitz/Yaris/ Echo was the replacement. The Scion xA/xB share the same chassis as the Vitz, so that would be evolution of the Tercel.

One guy in California dropped a 4EFTE into his xA..I'd love to do that.