I was actually looking for sh!t mpg figures! 

15 mpg easy on a fun run.
The 47 mpg journey was a very painful, careful journey of 12 miles to work.
I did it mainly to compare mk5 to mk6 to bluefin.
Result - mk6 around 3mpg better than mk5. Bluefin around 2mpg better than stock.
You do have to drive like a granny on prozak though...
I won't do it again. Ever. :embarassed: :embarassed: :embarassed: