Electric assist, I believe. I only had the thing for an hour.
There is nothing wrong with the i8 if that's what floats your boat, you just have to remember it will come with £100k car sized bills if it breaks then though it sips fuel like eco hatch back.
You are really looking at Porsche 911 for a direct comparison on performance and form factor. Or if its the styling your after then you only really have Ferrari or Lambo's to go to.
There is nothing wrong with the i8 if that's what floats your boat, you just have to remember it will come with £100k car sized bills if it breaks
That is always the issue with cars priced that highly.
Which other cars should I consider?