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If you look at the Bridgestone Potenza RE92, the size (165/65/14) used on the Insight was specifically designed for the Insight and has different specs and is much lighter in weight then any other RE92 size. On my own car, my Insight sized RE92's has a lower rolling resistance then any other tire I have ever driven. They corner and brake just as well as the 165/70/13 Sumitomo tires that I had previously on my car that was the OEM tire size for my car. But they don't corner or brake as well as the 175-70-13 Michelin Harmony I had on my car in the past, but these caused a 6mpg drop in my mileage when new. As these RE92 tires are getting broken in, I am finding myself having to extend the distance of my glides to keep from coming in too fast at upcoming stops. They are a worthwhile addition to the high mpg driving arsenal.
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