Honda and Acura have a pattern of showing multiple stages of concepts, those that we would more traditionally think of as design concepts and what they like to call prototypes. The concepts are a bit more out there and the public prototypes are for all intents and purposes the production models,

The original Acura RSX was a two-door coupe closely related to the Integra of the time, but the new one won't be anything like the front-wheel-drive hot hatch. Acura today unveiled the RSX Prototype,

Acura revived the Integra nameplate a few years ago, marking the return of the sporty car to the automaker’s lineup, but its most recent revival doesn’t follow the same formula as the vehicle that wore the badge before.