Snapshot #9: Class matters when it comes to MPG

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We looked at our data on over 750 EU cars tested, to see how much of an influence vehicle class was on variance between the NEDC-derived official MPG and our cycle and found:

  • Petrol sports cars come closest to their official figures
  • The MPG gap is worse for small cars, whatever the fuel
  • Overall the gap is almost always bigger for diesel engines.