Yeah I’m not entirely sure Whats happening, I can do a 2/3 mile school run and there’s enough charge in the battery to get me there and back and the petrol engine never kicks in therefore it shows up as 99.9mpg but is essentially an all electric journey, but then the same journey the next day the engine has had to come on and I’ve got 17mpg, which to me isn’t very pleasant at all, but if averaged out over time might settle at the quoted 40-50mpg people are getting.
(this is while using the e-pedal feature which is meant to regenerate more to the battery)