On a very long run, I think in the past I've got around 60mpg (imp) traveling at 75-80mph.
I'm hoping to do better than that in May when we have a road trip across France, Belgium and Holland
Maybe 70mpg (imp) although with hypermiling it should be possible to get towards 80 mpg (imp) but not sure I could P&G that sort of distance without my left leg dropping off...
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