ive been in the same boat before looking for a dirty derv, golf tdi's audi's etc, my mate had a shitroen c3 that was averaging 46 - 50 around town and 60 - 66 ( digital display) motorway miles, i got a M reg 1L nissan micra as a cheap run about, garaged up by a granny and sold to my mate 2 or 3 years ago to build his no claims up then sold to me, the thing is bullet proof 56k on clock 12months mot 6month tax vibe 12" sub 6x9's aftermarket headunit all for £300 ;D cant remember how much tax is but insurance for me 2years, i dont have no caims is £58 a month Fuel wise, i drove to japfest in it