Flipping 'eck Vlad, you running on diesel or maybe it's ethanol?
I brim my tank and regularly get 200 miles before starting to worry.
I expect that might fall when I get de-restricted and use a bit more on acceleration - shall be able to report on that very soon, yay!
Even though I'm assured there's still a good few litres left when I'm well down the red I've never put it to the test.