Originally Posted by
nutron
These show my fuel ecconomy since last refuel and ecnomy over a stretch of M4-M25. I reset on the M4, before the road works going into London, then headed north, clockwise, around the M25 (speed restrictions kept poping up despite the clear roads).
These figures are without the box in, so they are as acurate as any other standard cars, about 5% out. Even if you try (as I sure someone will) claim that I must of had a box in and it's throwing out the figures; the values would have to be out by 23.4% to drop it to 50mpg.
This is What my car does, I don't know why, I care less, it does it. True figure is about 64mpg.
The only thing I can think of that could have made this difference is the way I drove it from new, while it was bedding in (despite Vx claiming you don't need to do said).
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