I installed the slightly oversized Pilot Sport All Seasons last month and have put around 1,400 miles on them. I‘m a fan, I think they look great, there is a noticeable difference in handling, they are quiet (nearly exactly as loud as the Goodyears), they seem to have very little impact of efficiency. The handling difference is stark. The steering feel with the Y has always seemed a bit vague to me and now there is some connection. It’s most noticeable on the initial turn into a curve, the first 5° movement of the wheel seems to yield actual and immediate direction change. I’m stoked on these and will likely use them for the life of the car. They are great in the rain as you would expect. I have not used them in actual snow or ice only slush and sleet and they were fine.
And someone please check my math!
For efficiency, they are slightly- ever so slightly- less- or maybe not. The 265s do 712 revs per mile while the stock 255s do 720- an approx 1% difference. Over the last month the Michelins have run 270 Wh/m over 1394 miles while my life time average on the Goodyears was 264 Wh/m a 2.25% difference. Less the 1% mileage difference and considering those 1400 Michelin miles have been done in weather colder than the lifetime average makes these an efficiency wash for me.
One efficiency caveat- I installed the front mudflaps at the same time I installed the tires since they do stick out a few more mm- so that is a variable I cannot account. Mudflaps very well may improve efficiency- the method would be them creating a turbidity boundary aft of the wheel and this cushion preventing the drag from the vacuum which would otherwise form in that void. That’s 100% speculation but I think that the Goodyears were stretched (narrow and inward tapering) to keep them in the fender’s boundry and the Michelins sit slightly proud and that would be the difference.
And someone please check my math!
For efficiency, they are slightly- ever so slightly- less- or maybe not. The 265s do 712 revs per mile while the stock 255s do 720- an approx 1% difference. Over the last month the Michelins have run 270 Wh/m over 1394 miles while my life time average on the Goodyears was 264 Wh/m a 2.25% difference. Less the 1% mileage difference and considering those 1400 Michelin miles have been done in weather colder than the lifetime average makes these an efficiency wash for me.
One efficiency caveat- I installed the front mudflaps at the same time I installed the tires since they do stick out a few more mm- so that is a variable I cannot account. Mudflaps very well may improve efficiency- the method would be them creating a turbidity boundary aft of the wheel and this cushion preventing the drag from the vacuum which would otherwise form in that void. That’s 100% speculation but I think that the Goodyears were stretched (narrow and inward tapering) to keep them in the fender’s boundry and the Michelins sit slightly proud and that would be the difference.