Quote Originally Posted by manray57 View Post
I have heard of an over tightening issue from the factory causing them to crack and lower fuel economy.(Posted on Edmunds Forums)
I would like to see this..

the numbers you have sound about average for the users here, especially for an automatic, and the speeds you drive.
If you want better, what are you comparing too? some of the hypermilers are getting much better, but they also coast downhill with a backwind with the car shut off :P