Quote:
Originally Posted by footie
I would be surprised to find much if any a difference in economy, both are the same width and both have roughly the same circumference. So personally I doubt it's true, maybe it's the unsprung weight coming into play.  |
Agree--any differences will be infinitessimal. The diameters are the same and weight is within a pound or so between OEM 18s and 19s. Now put on heavy cast 20s with 295mm rears and there might be a small measurable difference.