I just got about 297.8 miles to the tank and i had been to Milton Keynes, driven around REALLY hard before going on the Rolling Road, on the Rolling Road, to a pub after the Rolling Road in Milton Keynes, then to Essex from Milton Keynes, driven around a bit there, then driven back from there and drove it to and from work about four times (this was on Optimax)
Oh and last summer (on Unleaded) i drove back from St Ives in Corwall which is about
280 miles and still had quarter of a tank left which i think is roughly about 70 miles