Slightly OT - but as a young new driver I read about economy cars a lot when I was younger - even though I wanted SPEEEEEEEEED. I think I was in touch with my inner economy driver. Anyway one car I always fancied was the Daihatsu Charade Turbo Diesel - I couldn't find a pic but it looked like this :
Read a magazine review
here.
Key stats - top speed 78 MPH, 0-60 in 25 seconds, City MPG 78 (imp), @70 it was 42 (imp).
EDIT - Reason for posting - it had a 3cyl, 1.0 TD engine.