Quote:
Originally Posted by roosterk0031
Installed 2 Ecopia's on the front of my cobalt yesterday, EP422's $93. didn't take the time to do A B test yesterday. But comparing work trips 49.9(June) vs 47.3 today(50f). Trip home might be more informative as supposed to hit 70f so closer to June driving conditions.
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Make sure you account for the difference between an old worn tire and a brand new tire. New tires almost always drop FE unless they are vastly superior to the old tire. Less tread usually means less rolling resistance.