4X4 vs. 4X2 mpg - Ram 1500 Diesel Forum
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post #1 of 11 Old 10-09-2014, 11:49 AM Thread Starter
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4X4 vs. 4X2 mpg

Does 4wd affect fuel mileage much?
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post #2 of 11 Old 10-09-2014, 01:27 PM
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4x4 3.55 gears averaging 23Mixed 18-21 city, 25-33 hwy (taking my time vs lead foot)
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post #3 of 11 Old 10-09-2014, 03:09 PM
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okay, but how does that compare to the 4x2?
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post #4 of 11 Old 10-10-2014, 04:05 PM
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I can't find any info on this on the Ram Ecodiesel website or anything. I think you'll have to get some first person perspective for this.
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post #5 of 11 Old 10-10-2014, 05:13 PM
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officially there is a 1 mpg difference between their ratings, real world is a toss up, depends on whose right foot...



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post #6 of 11 Old 10-10-2014, 05:49 PM
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Originally Posted by Accused View Post
officially there is a 1 mpg difference between their ratings, real world is a toss up, depends on whose right foot...
Yeah it depends on so many factors, at such a small difference it shouldn't matter.
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post #7 of 11 Old 10-10-2014, 06:22 PM
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It would matter if you were driving around in 4x4 drive all day. However the truck operates in 4x2 unless you tell it otherwise. Id say it sits a little heavyier due to extra components. Thats all.
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post #8 of 11 Old 10-11-2014, 11:36 AM
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It would matter if you were driving around in 4x4 drive all day. However the truck operates in 4x2 unless you tell it otherwise. Id say it sits a little heavyier due to extra components. Thats all.
I don't think its a complete decoupling though, there is always some parasitic loss from the front shafts IMO..



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post #9 of 11 Old 10-12-2014, 11:13 AM Thread Starter
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Is the front end independent on the 4x4?

David
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post #10 of 11 Old 10-13-2014, 06:04 PM
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Accused is right, my 4x4 Eco does 24 combined 40 city 60% hwy, 28 why, and that is not stepping on it. Have about 3500 miles in the odo.
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