Quote:
Originally Posted by glasses
I am really looking forward to seeing the difference the Ecopias we just bought today make on our Versa, 5mpg sounds amazing!
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Don't be surprised you don't get that.
First, you are likely taking off tires with low levels of rolling resistance. Changing to the Ecopia is a small step, not a big one.
Second, worn tires get better fuel economy than new ones because of the increased mass of the new tires.
So it is possible than your fuel economy will get worse initially - improving as the tires wear.