The IS-F is the first bone fide attempt by Lexus to enter the intensely competitive arena of small high performance sedans. With ample doses of their hallmark precision and refinement in craft and performance, Lexus has produced a sedan that is a viable competitor to such über marques as Audi, Mercedes and BMW.FAST FACTS1. The IS-F is powered by a 5.0L V8 with 416-hp and 371 lb-ft of torque,