Subaru RWD Boxer Teaser sport car .Subaru today unveiled the first teaser image of its future RWD, fueled boxer engine, the sporty concept car. The architecture model long-rumored unit, the rear wheels Subaru today unveiled the teaser image. Subaru wants to call the model formerly known as the propulsion, BOXER sports car architecture. Well, the Subaru Boxer sports car architecture is the model developed by the company in collaboration with a Japanese car giant Toyota.