IS - 1st Gen (2001-2005) Discussion about the IS models up to the 2005 model

Fuel economy

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Old 11-05-08, 05:33 AM
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1320ms
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Default Fuel economy

I used to have an 01 IS300 automatic, but its been a few years. Looking into picking up another one as a daily driver, but I'm concerned about fuel economy.

I seem to recall that I used to get around 22mpg average, but again its been a while. Can anyone provide input as far as what kind of fuel mileage I could expect with a stock IS300, auto and 5spd (please identify which you have).

Thanks
Old 11-05-08, 01:18 PM
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juniorsdad
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i've been getting 22-23 mpg lately; automatic (driving easy to maximize mileage) on 50/50 city/hwy miles
beforehand, anywhere's from 17-18 around town with a hwy best of 25 mpg; depending on heavy my right foot is....
Old 11-05-08, 10:13 PM
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3rdelement
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Default my xperience

hwy on cruise 75mph = 26-28mpg
city hard on throttle = 19-23mpg

thats with srt intake, megan racing downpipe and non resonator apexi exhaust.
Old 11-06-08, 09:03 AM
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Brian231
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You can use MOBIL 1 0W30 weight oil to help maximize fuel economy. Also, the drop in K & N helps out.
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