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Old 01-11-2021, 05:44 PM   #10 (permalink)
Master EcoModder
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Join Date: Sep 2011
Location: USA
Posts: 464

Frogger - '00 Honda Insight Gas Only (unHybrid)
90 day: 63.48 mpg (US)
Thanks: 13
Thanked 239 Times in 128 Posts
I had a 03 Forester X with the 4-speed auto and 2.5L NA engine (4EAT + EJ25) and my best efforts of basic aerowork, tire pressure, and driving speed of 50mph got me 33mpg. Otherwise, mid-high 20's was the best I could do.

I now have a 07 Forester XT with the same auto, but 2.5L turbo (with a few mods) and my best tank so far has been 27MPG doing 60-80mph. I haven't really had a chance to give it further road tripping for better, so tanks are 18-23MPG otherwise.

All this is to say: Good luck! Subarus were built with many things in mind, but economy isn't one of them. (or headgasket life)
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