2020 Subaru Crosstrek XTi, Specs, Concept, Redesign, and Price. 2020 Subaru Crosstrek XTi name comes from the 2008 Forester XTI concept which was shown at SEMA, and it had the WRX STI’s 2.5-liter turbo boxer engine, a six-speed manual transmission, 18-inch S204 wheels with high-performance Yokohama