'PH Essentials' in classifieds - who can correct mistake?

[monthefish]

For the Porsche 911 996 turbo.


PH Essentials says 0-62mph: 4.9s, Top Speed 185mph



Brochure says 0-62mph: 4.2s, Top Speed 189mph



Can someone correct this please? (It is very important for pub bragging rights )

Ta muchly.