dotsonian

I agree, but also add that if the computer is accurate and over time fillup gas = computer gas then over time your mpg = computer mpg.

drtuba

it is really close over time, the average error is less then .2MPG So far Ive burned 1/2 a tank on my new tune and I dont want to draw an conclusions until I average over several tanks, but Im averaging better then my best take on my chart I posted. Im at 26MPG so far.

harleystang

I'm getting around 25...that's combined mountain (up to 8000 plus feet and down again) and in town driving. It has been as high as 31 (down the mountain and to and from Palm Springs on the freeway...I'm cool with that...

06BlackStang

I do alot of highway driving on my way to work and I'm getting about 24-25