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  #13  
Old 03-14-2017, 04:09 PM
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Re: Hemi vs. V6 driveability

I own a Hemi and use a V6 at work. Both 2014's. The Hemi has a true ZF and the V6 has a ZF licensed design that's built by Chrysler.

I've gotten comparable mileage on the same highway route but the V6 hunted gears more whereas the Hemi just used its torque to get up a hill without dropping gears. The Hemi is a pain in Eco mode so I drive it mainly with Eco off. The Hemi will perform when you want it to. The V6 performs well around down but I'm quite happy when the day is over and I'm back in my Hemi.

In summary...I drive both daily. Love my 2014 Limited Hemi way more than my work 2014 Laredo.


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  #14  
Old 03-14-2017, 04:17 PM
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Re: Hemi vs. V6 driveability

I traded a '16 Summit V6 in for a '17 Summit V8:

Traded a '16 Summit V6 for a '17 Summit 5.7L V8

The V6's tranny behavior was one reason why I made the switch. It's my understanding that the Hemi 8-speed is different (the same one used in BMWs, Range Rovers, etc.). I find it to be smooth as butter. Most shifts are imperceptible.

Sure I lost some $$$ in the premature trade but I have no regrets!
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  #15  
Old 03-14-2017, 04:39 PM
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Re: Hemi vs. V6 driveability

Thanks for the feedback!

The v6 transmission/power is just annoying enough where I dont think i can keep the vehicle any longer. I'm not expecting SRT performance, just enough to make it feel not painful.

When you push the V6, it feels like you're going against its will...hoping the V8 comes alive instead.

Will try to find a dealer to let me at least take one home for the weekend.

Thanks again all.
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Old 03-14-2017, 06:15 PM
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Re: Hemi vs. V6 driveability

My 2015 V6 drives and shifts great. Accelerates really well. It's a little noisy at times though, especially at slow speed, I've heard the cabin noise is fake and increased on all of these engines. However, if put my foot into it just right it purrs.
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Old 03-14-2017, 06:34 PM
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Hemi vs. V6 driveability

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Originally Posted by jgc4ever View Post
My 2015 V6 drives and shifts great. Accelerates really well. It's a little noisy at times though, especially at slow speed, I've heard the cabin noise is fake and increased on all of these engines. However, if put my foot into just right it purrs.

I have never heard of this, especially for the 3.6 but that would be interesting to know. I think ours is noisy too. It sounds unrefined, like an old diesel tractor at times lol
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Old 03-14-2017, 06:54 PM
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Re: Hemi vs. V6 driveability

I had a 2012 v6 Overland that I thought I loved. Sluggish gearbox, but I didn't know the difference at the time AND I managed a great price so why not. Towed with it and filled it up many times. Bought a Sprint Booster to somewhat fix the throttle response and all was ok for about a year. Wanted the newer body style (and headlights) so I started researching. Test drove a '14 v6 Overland with the 8 speed and a '14 Summit hemi with the ZF back to back (both low mileage) and was blown away at the V8. Night and day difference, really. Went back 1 day later and bought the Summit. Never looked back.

Hope that helps for what it's worth.
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Old 03-14-2017, 07:18 PM
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Re: Hemi vs. V6 driveability

I've had a 14 v6 and now a 15 v8. Yeah the v8 don't bounce around up top but my 1-2 2-3 to me is just like the v6 was. I think there has been one trans update since having it. The jeep is heavy and I feel the v8 moves it just a little more easier. Thought I heard though that after 14 v8 8 speeds are built here along side the v6 and my window sticker for transmission says origin USA. My main pet peeve is more my behavior is coming to a stop. I come to a stop at a stop sign and if I am only one there mostly mornings 5am I don't completely stop speedometer would be around 5-8mph. Doesn't get down to 1st. Start going and it bumps down to 1st then right back to 2nd with a hard shift. I should just come to a complete stop.


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Old 03-14-2017, 07:24 PM
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Re: Hemi vs. V6 driveability

Also with sport mode I can't use unless using paddle shifters because of that 2nd gear hang as well.


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Old 03-14-2017, 07:43 PM
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Re: Hemi vs. V6 driveability

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Originally Posted by My1stJGC View Post
I've had a 14 v6 and now a 15 v8. Yeah the v8 don't bounce around up top but my 1-2 2-3 to me is just like the v6 was. I think there has been one trans update since having it. The jeep is heavy and I feel the v8 moves it just a little more easier. Thought I heard though that after 14 v8 8 speeds are built here along side the v6 and my window sticker for transmission says origin USA. My main pet peeve is more my behavior is coming to a stop. I come to a stop at a stop sign and if I am only one there mostly mornings 5am I don't completely stop speedometer would be around 5-8mph. Doesn't get down to 1st. Start going and it bumps down to 1st then right back to 2nd with a hard shift. I should just come to a complete stop.


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The early MY14 V8 8spds (8HP70) were built by ZF in Germany, sometime in the fall of 2013 ZF began making the MY14+ 8HP70s in Atlanta, Georgia. The v6 trans(845RE) was a ZF design that Chrysler mucked with and modified and made themselves in kokomo, Indiana. Key is ZF is still the manufacturer for the 8HP70 even though it is now made in Georgia and Chrysler makes the 845RE that had been more problem prone in the v6. Or at least this is how it was unless it has changed recently
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Old 03-14-2017, 07:56 PM
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Re: Hemi vs. V6 driveability

Quote:
Originally Posted by My1stJGC View Post
I've had a 14 v6 and now a 15 v8. Yeah the v8 don't bounce around up top but my 1-2 2-3 to me is just like the v6 was. I think there has been one trans update since having it. The jeep is heavy and I feel the v8 moves it just a little more easier. Thought I heard though that after 14 v8 8 speeds are built here along side the v6 and my window sticker for transmission says origin USA. My main pet peeve is more my behavior is coming to a stop. I come to a stop at a stop sign and if I am only one there mostly mornings 5am I don't completely stop speedometer would be around 5-8mph. Doesn't get down to 1st. Start going and it bumps down to 1st then right back to 2nd with a hard shift. I should just come to a complete stop.


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Mine does that too, although I don't know the production year of mine. Turning off Eco mode seems to help for me - so it's a pain, but I turn it off every time I drive now.
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Old 03-14-2017, 08:11 PM
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Re: Hemi vs. V6 driveability

I don't use Eco mode cause of the mds vibrates to much.
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Old 03-14-2017, 08:12 PM
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Re: Hemi vs. V6 driveability

I bought a 2014 Overland 4X4 V6 about 5 months ago. I test drove both the V6 and V8 models and during the short test drives they seemed similar. So far, I am happy with the V6's responsiveness, drive ability and mpg (21 avg). Perception probably skews my assessment since I traded a 2010 Wrangler Rubicon with the 3.8 V6 and automatic. The 3.8 and auto combo was the worst matched drivetrain I have experienced and I am on Jeep number 11 and 40 years of jeeping.
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