Interesting.....I'll get my anorak too.
I know the last thing this is is a kit car ( in fact the engineering is superb) but I couldn't think of any other place to put it, so here goes
They aren't to everybody's taste, but I've always had a very soft spot for these especially the current G8 270
Audi-sourced 2.5-litre, five-cylinder turbo engine that develops roughly 400 horsepower and 350 pound-feet of torque:
http://www.donkervoort.com/G