Not only will there be a US version of this generation of the RS, but the following video even lists “the USA” (as well as Belgium) as a filming location. We're expecting a 2.3-liter EcoBoost engine in the car, and power somewhere in excess of 300 horsepower, and there is a very real chance of all-wheel-drive.
Well know more in a couple of weeks though, as the car is set to be shown to the world on February 3. Remember that date.