I have Michelin Harmony 185/65R14 tires on the front of my Mazda. It had a broken belt in one of the front tires when I bought it, so I needed to make a quick choice in replacement tires.
I considered the above mentioned sumitomos and the Potenza RE92s that the Insight uses. However, based on reviews from Consumer Reports, some independent rolling resistance data, and Ecomodder forums, I chose the Harmonies.
Customer reviews on tirerack.com and elsewhere are dissatisfied with the Potenzas for sacrificing lots of handling for little rolling resistance gain. I'm very happy with my Harmonies, which I have inflated to the sidewall max of 44psi.
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