Having enjoyed reading and participating in the 500+ and 600+ threads, I posed the question over a year ago. Is 700+ miles possible in a citigo using the full 38 litre capacity full to empty.   I felt after my 660 mile attempt in June 2017, that all we had to do was find another 40 miles!    Dividing the required miles (700) by 38 litres full capacity (8.36 Uk gallons) meant needing to achieve 83.7 miles per gallon.   Several  attempts in the last year have seen a t