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Old 06-29-2017, 01:00 AM   #401
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I'm getting close to 30, but I also don't beat on my car.


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Old 06-30-2017, 02:24 PM   #402
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Ol' granny here pulls 35-40 mpg. But I have a feather foot. Most of us in the US have lead foot (long history of muscle cars that get 4 blocks to the gallon). You gots find the sweet spot on the Subie gas pedal. From a dead spot, you have to just very lightly hit the gas. Literally, a split second later, you'll feel her "kick in". From there it's gas it and go, hit that 4000rpm mark and she's off! Sure, the Trek isn't like a speed demon corvette. But, by respecting her drive-by wire configuration, well... I've knocked down a few goodin's. Hehehe (granny be so naughty). And, kept the great mileage. I do love my baby girl.
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Old 06-30-2017, 10:23 PM   #403
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4000 RPM is exactly where maximum torque is for the fuel-injected versions of the Subaru FB20 engine. That indeed is probably the most ideal RPM to be at for requiring acceleration without severe sacrifice in fuel efficiency.
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Old 07-11-2017, 03:42 AM   #404
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I have an unofficial octane to MPG observation, with 91 I drop at least 1.5 mpg to 28.?, with 89 Sigourney is consistently at 29.? or better.



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Old 08-12-2017, 01:45 PM   #405
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I've had my 2017 for a few months now, averaging around 31.5 mpg. This is a good combo of city and highway driving. Thought I would add this was all with 100% gasoline, on my last tank I switched to the +/- 10% ethanol grade to see what would happen, and the milage has gone to under 30 now. I'll be switching back on my next tank, not really much of a cost savings there is it??
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Old 08-13-2017, 02:48 AM   #406
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Running 100% gasoline is a good way to improve MPG, but over where I'm at, they are exceptionally rare. E10 is the most common gasoline here.
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