first time i am going to try it, in my clio i could make perth from cardiff a trip about 450 miles on 35 quids worth i think i was getting high fortys to the gallon,
i have manged 440 in the astra but its a 60 litre tank, being ten galln thats 44 mpg on stanard unleaded, hopfully i will squeeze a few more miles to gallon.
making the trip back to work tomorrow so will let you guys know how much i can get if any more than usual