The IS F is the most performance-oriented production sedan in the Lexus lineup. Its dynamic 5.0-liter engine features performance technologies typically reserved for the track. The numbers speak for themselves: 416 horsepower  with 371 lb-ft of torque  producing a 0-to-60 mph time of 4.6 seconds   and a top track speed of 170 mph  . Equally exciting, a torque-sensing TORSEN® limited-slip rear differential , as well as redesigned BBS forged alloy wheels.
Inside, the 2011 IS F offers Safety Connect®  , plus an available Navigation System  with voice command and Lexus Enform®  . You’ll enjoy the new instrumentation with digital speedo and the standard front-seat Lexus Memory System. Available SiriusXM services include SiriusXM Satellite Radio  , NavTraffic™  , NavWeather™   and Sports and Stocks  . Audio is enhanced with a standard USB input as well as Bluetooth® audio  connectivity for compatible music players, including iPod® .