You'd probably get a 2002/2003 Fiesta 1.4 TDCi Zetec or Duratorq for the money. Great little car, about 64bhp but with 120 lbs/ft - so quite torquey. They are economical, cheap to tax (£35 a year) and to insure.

I've had one as my 2nd car for the last 12 months and it's great