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Old 04-23-2018, 10:35 AM   #11 (permalink)
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I have been watching for official EPA numbers to be published by the epa for a bunch of new stuff but it isn't there yet. Rumors are the new gas by Ram is 27 highway but they don't have the city, it's combined might be as good as the diesel Ford but that's what I'm wondering. Also the new ecodiesel isn't even possible yet so it's numbers are long off. GM's are also doing a 1500 diesel for 2019 and it sounds like not using the new one they just made for the Colorado but a new inline 6. For me the inline 6 would be the one I would wait for at least to see if it is a contender compared to the others and it looks to be the last out.
As it stands now a used 28mpg rated ecodiesel Ram is the way to go. I can give up 2 mpg highway for a $30,000 savings at buy-in. I also want to see if they do any special leases on the new v6 gas as it will do what I want as well and I have seen under $200/month leases no money down in years gone by. That might be worth a 3 year experiment for me.

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Old 04-23-2018, 10:39 AM   #12 (permalink)
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I got 19 MPG in Dad's 2008 F150 at 55 MPH. What did I do wrong?!
Was it a diesel?
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Old 04-23-2018, 11:05 AM   #13 (permalink)
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F150 diesel 4x4 is 25mpg highway, rather than 30. I read an article (Jalopnik maybe?) that broke it down - while the 4x4 has more underbody stuff to cause aerodynamic drag and some parasitic losses, it also comes with more kobby tires with a higher load rating.

I wonder what sort of economy I could get with this engine in my Insight. Wouldn't that be a hoot.
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Old 04-23-2018, 01:05 PM   #14 (permalink)
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The F150 was gas. I do not know if it was Ecoboost.
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Old 04-23-2018, 08:27 PM   #15 (permalink)
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Quote:
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F150 diesel 4x4 is 25mpg highway, rather than 30. I read an article (Jalopnik maybe?) that broke it down - while the 4x4 has more underbody stuff to cause aerodynamic drag and some parasitic losses, it also comes with more kobby tires with a higher load rating.

I wonder what sort of economy I could get with this engine in my Insight. Wouldn't that be a hoot.
I didn't see that. That means I would be better with an old ecodiesel because it will be a 4wd and the Ram, even the old one, is 27mpg 2wd or 4wd no difference. A 5mpg hit for 4x4 is huge on that Ford. There is more to it than just messy underside. They targeted that number big time on the 2wd, I wouldn't be surprised if they end up with trouble either in how it performs in real life or with the epa.
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Old 04-23-2018, 09:04 PM   #16 (permalink)
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Perhaps there are other differences between 2WD and 4WD to make the former more efficient.
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Old 04-23-2018, 09:11 PM   #17 (permalink)
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Quote:
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Perhaps there are other differences between 2WD and 4WD to make the former more efficient.
I forgot, but in addition to the tires and extra parasitic drag, it also has shorter gearing, for towing.
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Old 04-24-2018, 02:06 AM   #18 (permalink)
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Quote:
Originally Posted by Ecky View Post
F150 diesel 4x4 is 25mpg highway, rather than 30. I read an article (Jalopnik maybe?) that broke it down - while the 4x4 has more underbody stuff to cause aerodynamic drag and some parasitic losses, it also comes with more kobby tires with a higher load rating.

I wonder what sort of economy I could get with this engine in my Insight. Wouldn't that be a hoot.
That's where I read it as well.

https://jalopnik.com/why-the-2018-fo...the-1825384321

It seems like jalopnik is pushing more articles by people that don't know what they're talking about, but at least it seems they got most of it right.
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Old 04-24-2018, 09:24 AM   #19 (permalink)
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In my experience, the 4x4 are 1 to 2 inches taller and have a bit larger "traction" tire. In my 250, I noticed decent efficiency hits when I raised it with overload springs.
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Old 04-24-2018, 12:56 PM   #20 (permalink)
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Quote:
Originally Posted by Ecky View Post
I forgot, but in addition to the tires and extra parasitic drag, it also has shorter gearing, for towing.
That all may be well and true but it applies equally to the Ram and the Ram has an equal highway MPG rating 2wd or 4wd. There is something fishy about the 5mpg drop on the Ford.

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