Its' 5.0-liter V8 engine help deliver a 0-to-60 time of just 4.6 seconds. The the IS F was tested at some of the world's most iconic racetracks, including the IS F's home circuit, Fuji Speedway in Japan. The car's front fascia, hood, underbody and rear spoiler of the IS F have all been specifically shaped to optimize airflow over it.