Does Audi have a smaller mini R8 in the works? Rumor is spreading throughout the automotive blogging community of Audi working on a smaller Caymanesque Audi "R4". TopCar magazine is indicating that the new car will probably receive a turbo 2.0L FSI motor producing 270hp. The RS version will receive a 2.5L engine producing 350hp. Pictured above is an artist's rendering of what it might look like and should arrive by 2009.