Traditionally, car manufacturers lie about their fuel economy. Kindof. They tune their cars so that they perform better in the economy tests rather than better in real world situations. This means that no-one ever manages to get the economy claimed.
Except that we run a Skoda Octavia which gets 33.5mpg compared to the 34mpg that it should get. And our little Toyota Corolla gets between 38mpg(for me) and 41mpg(for GB) compared to the 38mpg that it should get.
Now, remember that GB is a relatively slow driver, who takes her time, changes gear at (too) low revs and is generally a rather nice person. And I’m not. I tend to attack the road rather vindictively and carry lots of speed through junctions so that my insane fuel sapping acceleration is as limited as possible.
So… can I please have my Skoda Octavia vRS diesel now? 0-60 just as quickly as my tank, but faster round the twisty bits and (allegedly) capable of 49mpg?