The F Sport includes an aggressive grille and fascia that improves aerodynamics along with curbside appeal. The concept of F Sport began in 2009 as an accessory line for the Lexus IS, but quickly evolved into a factory-built trim level that debuted for sale in 2010 and continues to expand throughout the model line. The F Sport includes an aggressive grille and fascia that improves aerodynamics along with curbside appeal. The concept of F Sport began in 2009 as an accessory line for the Lexus IS, but quickly evolved into a factory-built trim level that debuted for sale in 2010 and continues to expand throughout the model line.