Just curious of what peoples MPG is on city driving and highway driving...my factory nissan electronic gauge read approx 24-25 mpg i haven't had a chance to check my city driving but im pretty sure i am getting a low to 14-16 mpg or less...my gas tank runs alot quicker than it did before im not complaining just wondering what everyone else is getting...

Ben Y
AAM

 

I get about 20-21 mpg, but my driving is kind of city and highway... Putting your foot to the floor definitely uses a lot more gas under FI though!

 

I tested this today. With the computer, as 73mph at 2800 or so RPM's I got 38.1 mpg. Woo hoo. Beatin on it i get around 12. Im thoroughly impressed. 410whp. Yeah!!!

 

the stillen has a bypass for when you aren't in the boost, so my mileage is unnafected for day to day driving, 27 hiway, 20 city and 7-8 on the track.

 

The majority is city driving in "Manual" mode, 17-18 mpg.

 

I'm getting about 22mpg with a mixture of spirited city & highway driving . . . If I were to drive it hard on a full tank, I'd expect to get 16-18.

G

 

from atlanta ga to destin fl highway miles, i averaged 28.9 , city driving probably around 15-20, depends on how im driving

 

Mixed city and highway is around 18-20mpg

 

ok, maybe a noob question, but anybody tested the onboard system's mpg calculation after upgrading injectors? i'm just wondering how this thing calculates. if it uses some fixed ration assuming x injector size or some other input that's been manipulated by your piggyback / standalone, i would think that would mess up it's mpg readings. just a thought... experts, anybody know? i drive like 80 miles a day, so this's a big question for me if FI's in my future... thanks in advance!

 

It seems to work fine. As i stated in the post above. I used the trip computer when I hit the cruise control and it showed 38mpg. When im messing around its anywhere from 12-20.

 

sorry, i was trying to see if someone had checked the mpg calculator onboard vs. the good old-fashioned hand calculator. guess i'm just playing devil's advocate to these mpg numbers. believe me, i want them to be true... thanks for the reply by the way!