Poor gas mileage 2007 1500 Hemi 2WD


Asked by Feb 10, 2012 at 07:53 PM about the 2007 Dodge Ram 1500 SLT Quad Cab

Question type: General

I am experiencing 10mpg or less in the city, any ideas why or what i could do to

7 Answers


10 mpg for a truck is actually really average in city speeds. most trucks get 12city/18hwy, so youre not too far off the mark. Keep in mind, thats an average, so half of the data collected is BELOW 12mpg. youre probably in the lower percentile. you can get additives for your fuel that can improve mpg. you can also get a new computer chip put in (aftermarket).

2 of 2 people found this helpful.

My daily commute to work is really short, about 1.5 miles. I am assuming that since it takes more gas to start the truck than typical driving, i am losing a bunch of gas by starting and driving only 1.5 miles then shutting it off, twice a day. Would you agree?

2 of 2 people found this helpful.

Short trips will use a lot of fuel as the engine will not reach optimum operating temperature. I'm sure that on longer trips you'd get a lot more MPG. In my Range I get average 15mpg but on short trips and on a cold engine it drops to 10


not knowing the rest of your driving habits, it is hard to give you a lot of advice but if you aren't taking the truck out on the weekends and driving at highway speeds you are fouling the injectors etc. as your engine never has a chance to warm up. additives and a chip won't do anything to improve your mileage in that case. a hemi is a high performance engine and as such has to be driven at it's optimum revs.

2 of 2 people found this helpful.

These guys are right on the money. Also with those short trips you need to change the oil very often to keep the water from sludging up that engine. Another option is to drive it about a hundred miles straight once a week or so to heat the oil enough to boil off that moisture created by a cold running engine. If your oil cap has light tan stuff on it, that's water in the oil.

1 of 1 people found this helpful.

You didn't mention what region you live in . So if your in Michigan as I am and you've been using your auto-start to warm your vehicle in the morning think about averaging in "0" mpgs. In my 2004 Hemi Ram I Avg. 12.9 city. Your air intake filter should be checked , cleaned or replaced as necessary as well.

1 of 1 people found this helpful.

My 2007 is awesome 25 miles to the gallon Canadian ive got alot done to it though im a mechanic truck is great Hemi 5.7 3/55 gears truck get driven on the hwys alot never has time to have any sludge or crap in it...Change plugs every 50kms we love it.....Infirno red...4x4 1500 ram....245 17 inch tires...Has NASCAR truck exhaust system comes out right rear tire this way its a tune system as everything is same length not one pipe longer then the other K&N filter in stock box ..Cold air does nuthin for it tried it from a friends did crap...1/10 of a second quicker in the 1/8 mile so all show no go.... ...Have a resister in line with mas makes it think it getting more air in turn leans it out..More power better fuel mileage......Come spring will be putting a air spinner behind TBI ......Live in Ontario Canada N-Bay We drive every day...Also have a 2007 uplander chev Van 240 Horse wich dont get the fuel mileage the truck gets...

4 of 4 people found this helpful.

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