Gas Mileage

Silvertabb3 · Mar 23, 2012

Hey i own a 2006 Dodge Ram 2500 5.9 cummins with 265000 miles and i wanted to know if my gas calculator is correct or not, I'm seeing numbers like 25-27 driving on the highway and like higher than 22-23 in city on a tank.. this seems to be odd to me but i have not owned this truck but for a week. I have fallen in love with it it runs like a champ and has been very well taken care of all miles are highway miles i know because it was a family truck and have thought about selling it but with those types of miles and it being paid for... it might be worth keeping.

MADDOG · Mar 23, 2012

Don't count on it being accurate. They were designed to be adaptive and give you a current, snapshot in time, miles per gallon measurement, not a cumulative measurement.

The best way to calculate your mileage is the old fashioned way...do the math...miles driven divided by gallons consumed.

USMC1188 · Mar 24, 2012

That is NOT accurate. Those things are well known for being quite a few mpgs off. You might be getting decent mileage, but sorry to tell ya, not that good. Hand calculate it on your next fill up and it will give you a better idea. My overhead avgs about 2-3 mpgs off

TexasRammer · Mar 24, 2012

ya just hand calculate, sometimes there pretty accurate sometimes their off. the couple times ive checked mine, its only been about .3-.4 mpg off

RUMBLE BEE 1546 · Mar 28, 2012

I used to fill up every week, but I stopped driving so aggressively (driving the sun gets you a lot of attention, and I was beginning to get concerned) and now I run at least a week and a half to a tank. Overhead is saying I'm getting 2 mpg better, but that cannot be the case. I keep forgetting to hand calculate, but this next tank will be done that way.

GhostRam94 · Mar 29, 2012

filled up today, mine udercalculated

said 12.8, i got by the old fashioned way 13.9

, but i think that has something to do with the cutting of the muffler off yesterday lol

Gas Mileage

Silvertabb3

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MADDOG

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USMC1188

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TexasRammer

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RUMBLE BEE 1546

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GhostRam94

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