At the heart of the IS F is an exclusive, naturally aspirated 5.0-litre V8 engine that combines the thrilling sports performance you expect from an “F” model with the qualities of a premiumcar.When it comes to delivering heart-stopping performance the 416 HP from the IS F's 5.0-liter V8 enginedelivers a 0-to-60 time of just 4.6 seconds. It's engineered to enhance high-rpm breathing, so while the driver gets a crunch of power down low, it also keeps building as revs rise, for a sense of unlimited acceleration that can't be measured in numbers. With the 8 speed Sport Direct Shift, every shift ahead is sheer pleasure. Response, sound, a feeling of  acceleration and speed are the conversations the “F” has with you.