Give me size and i'll give you the new ratings if that helps
Andy
Those ratings are absolutely meaningless, sadly, and are detracting from what the tyre manufacturers should be aiming for - grip and longevity, or a sensible compromise thereof. Not wanking around over fuel efficiency, which nobody gives a nants piss over.
Rant over, and breath
The fuel efficiency difference between the very lowest and very highest ratings is around 5%. So, in an Omega, about 1mpg. As most tyres fall in the middle, it makes absolutely break all difference, apart from allowing the greenies to copitulate up their favourite tree.... ....while the rest of us are sliding into said tree, causing far more damage to the environment, if you believe that 'dangle berries'.
Thanks for the offer AndyC, but not required, I have them. Unless you have access to proper comparisons (to Sport Maxx TT)