Probably are seeing the difference because it's a manual. No doubt the shift points are lower in a auto. The AC isn't engaged all the time with the car in Ecno mode also. It's also less reactive and slower from a dead stop. More like a Limo ride. Ecno mode makes about a 2mpg difference in my car.I don't find a difference in econ mode, I've had my car for 3 years and expiremented some at the beginning but haven't touched it in years. It didn't affect my mpg but took away power...
I have a manual. I love popping it in neutral down hills... other than that I drive it moderately I would say, sometimes quite spirited...
CAI can effect it but not by too much. I have the Cobra CAI and get 32-34 on my SI but the difference is mine is probably 80% highway and 20% city. I think yours isn't the greatest because of all the city driving which is stop and go and will always get worse mileage. You get your best bang for buck when you can get up to speed on the highway and just cruise. I'll be going 85mph on the highway and the meter will be showing me getting 50mpg once i'm cruising.I'm running Only with a Cobra CAI no Tune
18 hatch 6M
Im getting 25 MPG
Can the CAI affect MPG on its own?
I drive 80% city 20% HWy
Use A/C most of the times
I used 91 octane
And I do have a Heavy foot 50/50
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