If there's some bright spark in Government reading this, what about doing every motorist a favour and ditch the Official MPG figures produced by manufacturers and replace them with HonestJohn's Real MPG?
It's not down to the government, they are EU figures.
The Fiesta 1.0 Ecoboost is not very economical in real world driving. What Car? ran one as a long term test cat and IIRC they got about 37 MPG average.
FP is correct in saying that manufacturers are tweaking performance to enhance what they achieve in the EU figures. A good example:
My old shape Mercedes A Class A180 CDi auto (2.0 litre) went in for a warranty repair recently and I was given a new A180 CDi Sport auto (1.8 Litre) as a loan car, EU combined figure 70.4 MPG.
I drove a 30 mile round trip rural route, computer showed 60.1 MPG. The next day I had my own car back and had to repeat the exact journey, same time, same ambient temperature, same sort of traffic, and I tried to use the same driving style. 55.8 PMG on the computer.
The interesting point here being the the EU combined figure for my car is 53.3 MPG.
So while the EU figures suggest the new car should be 32% more frugal, my experience shows that less than 8% is the figure in the real world.
Edited by 72 dudes on 20/12/2014 at 11:53
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