07 off road gas mileage - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #1  
Old 01-22-2007
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07 off road gas mileage

well im getting on my last tank about 14 mpg. 4.0 FX OFF ROAD supercab auto. about 600 miles new. last full tank got me 240 miles? not to good but im hoping it gets better once i get some miles on her. i think it gets better on the highway but i dont drive that much so most of my driving is city. i love the power of the 4.0 sohc and rides real nice for a truck. i really dont worry about the mileage because its still new. what are you guys getting on a new 4.0?. thanks.
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Old 01-22-2007
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That sounds about right. I have an '01 XLT Off-Road and get about 250-miles per tank, with the 19.5 gallon tank.
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  #3  
Old 01-22-2007
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i have a 07 4.0 xlt... i get abot 18-19mpg city and about 21 hwy... i have 7k miles about
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  #4  
Old 01-22-2007
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thats pretty good. heck by the time i put 7000 miles on this rig ill be in new truck. lol..
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  #5  
Old 01-23-2007
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my best recorded mileage was still only about 17 HWY
these engines and trucks suck on gas mileage
tuner might give another mile or two per gallon
- it would take a lot of miles to make up the cost even at 2.50 per gallon
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Old 01-23-2007
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you should get around 16mpg unless you beat the **** out of it.
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Old 01-23-2007
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Until I went to 33s I was seeing a range of 15.089 to 21.883 mpg.

I have a pile of receipts from my switch to 33s to present that I still need to enter, but off of memory I've seen about a little over 14 to a little over 19 mpg.

This is all mixed driving, city and highway, though some more city and others more to exclusively highway with some off-roading mixed in to the factor. I wouldn't say I beat the **** out of it, but at times I'd drive hard. 8 out of 10 times I'm usually driving easy, shifting anywhere from 2000-2500 rpms, higher if I'm accelerating into interstate or highway traffic from on-ramps. Higher is 2500-3500, 3000-3500 is usually for 3rd and 4th gears.
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Old 01-23-2007
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don't forget about the %7 MPH adjustment for the 33" tires over stock
also has an accompaning increase in distance traveled..... that has to be figured into the MPG calculations
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  #9  
Old 01-23-2007
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Quote:
Originally Posted by LILBLUE04FX4L2
don't forget about the %7 MPH adjustment for the 33" tires over stock
also has an accompaning increase in distance traveled..... that has to be figured into the MPG calculations
33/31 = 1.064516 is multiplied to each mileage count.

I don't start seeing the MPH difference until I hit over 50; 60 = ~65mph, at least on my speedo

EDIT:
Of course if I wanted to find % increase it would be (new - old) / old. Then * 100

33-31 = 2
2/31 = 0.064516
0.064516 * 100 = 6.4516% difference from 31 to 33.

Which now begs the question...

Would I use this number instead of the 33/31 value to multiply into mileage readout in order to compensate for the tire increase?

Last edited by Lefty04LevelII; 01-23-2007 at 08:35 AM.
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Old 01-23-2007
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My 06 FX4 w/auto is averaging right at 18mpg so far. (50/50 driving) The underdrive and e-fan helped a little... but not much. It's also been cold since I bought the tuck and that's having some effect.

Rich
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  #11  
Old 01-23-2007
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Wow. For a minute I thought you were getting that kind of mileage when offroading, lol.
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  #12  
Old 01-23-2007
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Quote:
Originally Posted by n3elz
Wow. For a minute I thought you were getting that kind of mileage when offroading, lol.
I'm badass, but not that badass I've yet to reach the level of you or Bob. Grasshopper must focus more.
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  #13  
Old 01-29-2007
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My best so far was 16 mpg, and that was all around driving. Love the truck, but the mileage sucks! On the highway, I don't think it will get better that 18 mpg. I could be wrong.
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  #14  
Old 01-29-2007
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Yea I went down to about 16mpg when I put on 33's but several weeks ago I had new exhaust installed and they took my last cat off. Now Im getting 12-13 just running around. That flat out sucks. Their putting that cat back on the end of the week.
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  #15  
Old 01-30-2007
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I have a 07 Sport w/ 4.0L and my first tank was great i got like 339 miles to the tank but now i average 15.9 mpg and i have only 1800 miles on her
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  #16  
Old 01-30-2007
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my '00 gets from 12-14 mostly city, but can jump from about 14-18 on the road. Its a 4.0 ohv though (factory size tires, no mods). Our Explorer gets about 15-16 in town & 18-21 on the road. Its a 4.0 sohc w/ 111k miles. Runs like new.
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  #17  
Old 01-30-2007
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that 2.3 duratec is looking better and better.
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  #18  
Old 01-30-2007
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Quote:
Originally Posted by ranger guy2
that 2.3 duratec is looking better and better.
gross i drove a 4cly ranger it was gutloss imo
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  #19  
Old 01-30-2007
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Hmm sounds like my ranger. They put those stupid 16" on my 04 ranger and my old 97 ranger that had the same 4.0L engine with 31x10.5x15 got about the same gas mileage. I have mine all stock exept i got one of those [email protected] airfilters. I thought those were suppost to give you gas mileage. I average in the country where i drive 20+ miles to work around 280 to a tank full. Winter time though i am seeing right now between 240-260 to a tank full. I am hoping maybe some new tires will help my gas mileage alittle.
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