British Motor Show: 'I Spy' specials - Introduction
That's not because they won't get built, but because they are destined for such an elite ownership that the chances of seeing one on the road are slim.
Here we list our five favourites from the British Motor Show.
We erred towards some of the more powerful cars on display, if only because it makes the cars harder to spot as they whizz by.
'I Spy' with electric cars just wouldn't be the same, would it?