Quote:
Originally Posted by Ecky
It isn't the width or aspect ratio, it's the tread compound and pattern. Two different 165/65r14 tires can deliver more than 15mpg difference at the same tire pressure in my car. In some cases the difference can be as large as 40mpg. Make sure you have tires which have a low rolling resistance compound and tread pattern.
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I was using the same (Sumic GT) tires (175 -13's) on the DX, so I doubt it's a tire issue. I am running a summer tread pattern, but I'm not even sure they make low rolling resistance tires in 13 inch. Maybe in the future, i'll get some fancy tires, but for the moment I'm just trying to figure out why I can just barely get the EPA MPG rating, when I smashed the EPA rating by 15mpg in my DX. I feel like I should be getting 10 more MPGs with the way I drive.