IS F (2008-2014) Discussion topics related to the IS F model

The "tank avg" gauge is killing my fun!

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Old 01-03-16, 11:55 AM
  #46  
lobuxracer
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Funny how in 2008 when premium was pushing $5 a gallon, no one talked like this at all.

Fuel economy was a considerable part of my decision to get the F over a C63 AMG when owners of the Benz were reporting 12 mpg as "typical" and I was seeing 21 mpg in the F commuting 22 miles each way daily. Surely a lot has changed since then, but fuel prices aren't going to stay this ridiculously low for long. The industry can't sustain it.
Old 04-25-16, 04:19 PM
  #47  
6i9
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Anyone see any decreased MPG from adding an aftermarket exhaust (assuming you don't become more of a lead foot just to hear the noise)? I had an 08 ISF prior to this one and I regularly got 16-17 MPG per tank with a mostly 80-20 city/hwy split on my commute. Now I get maybe 13-14 MPG in this 2011 car only difference being the exhuast.

At first I thought my poorer than average MPG was because I threw an O2 sensor CEL a few weeks ago and replaced the two downstream O2 sensors on each side with new Denso parts. I expected my MPG to improve afterwards, but two tanks later it's more or less the same.
Old 04-25-16, 04:49 PM
  #48  
jspecvtec
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Seems average I get 15-16 city only lol. 24 freeway only
Old 04-26-16, 07:32 PM
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Joker4096
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I get 18 city at the moment. 12 mile commute to and from work. I try to stay off the throttle too much. But every time I fill up, I have to leave the gas station and do a full throttle pull to make sure the car still has it lol.
Old 04-27-16, 11:51 AM
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jspecvtec
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Originally Posted by Joker4096
I get 18 city at the moment. 12 mile commute to and from work. I try to stay off the throttle too much. But every time I fill up, I have to leave the gas station and do a full throttle pull to make sure the car still has it lol.
Lol I do the same. After fill up i haul *** away from the gas station
Old 04-27-16, 01:26 PM
  #51  
ALtin107
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I get around 21mpg on freeway and that includes hauling F a$$. .
Old 04-27-16, 08:03 PM
  #52  
Alizia
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I notice that you usually get 2-3 more mpgs when you drive with the traction control and VSM off. This is made evident on a really long trip to my cousin's wedding. After I fueled up I instantly noticed that it was 25 mpg on the highway instead of the 27 I was getting before.
Old 04-28-16, 04:03 AM
  #53  
Joker4096
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Originally Posted by Alizia
I notice that you usually get 2-3 more mpgs when you drive with the traction control and VSM off. This is made evident on a really long trip to my cousin's wedding. After I fueled up I instantly noticed that it was 25 mpg on the highway instead of the 27 I was getting before.
I'm going to start trying this and will report the results.
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