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  #13  
Old 08-20-2015, 10:54 AM
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Re: V8 (4.7L) vs V6 Pentastar

We still have our 2004 JGC with the 4.7, it has over 200k miles and son is using it. It did a lot of towing very heavy BSA and Search & rescue trailers in pretty tough conditions. I only hope my 2014 with V6 Pentastar holds up as well as the 4.7 did.

Over 200k miles in 10 years the 2004 4.7L had almost zero non-wear issues. Amazing vehicle.

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  #14  
Old 08-20-2015, 12:54 PM
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Re: V8 (4.7L) vs V6 Pentastar

I have had pretty much all of them. 2008 SRT8, 04 Overland with 4.7HO, 2012 Overland V6, and now 2014 Summit V8.

Im comparing the 2012 V6 which had that awful transmission which always put it in the wrong gear at the wrong time. Just an all around lame driving experience and I think they may have done that for fuel economy i'm not sure. I haven't driven a V6 with the 8spd, but from what I read its MUCH better.
My 04 Overland with 4.7HO was surprisingly fun to drive. It always had good power and moved out pretty good. Comparing to my 2012 Overland V6 I would say the 4.7HO would pull on it without much problem. Wouldn't be blown away, but it would probably win. I now have a 2014 Summit V8 and wouldn't trade it for ANY of them. LOVE the ZF 8spd and the sound of the engine. It just sounds so good and that tranny shifts awesome! Some may think i'm crazy, but I went with the V8 in my new Summit partially just because how it sounds in the cabin. IMO changes the entire driving impressions and makes it feel like a more significant vehicle. The old 4.7HO also had a great tone to it.
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Old 08-31-2015, 11:03 PM
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Re: V8 (4.7L) vs V6 Pentastar

Well I guess I'm the new guy that will buck the trend. We just traded in the 2000 WJ Laredo with 4.7L for a 2015 Limited with Pentastar V6. Maybe I am babying the new ride, but I think the WJ had better acceleration. Mating the quadra drive to that V8 put some good power to the ground and that thing was a rocket (for a 4x4 SUV) off the line. I can definitely feel that the 2015 is larger and heavier. I do like the MPG average with the Pentastar V6 though; currently running at 22 to 23 whereas the V8 was around 18.

I seriously considered getting the Hemi but NJ is pretty flat and I don't do any towing (sold my trailer a few years ago). If I need to do any hauling, I use the 2001 Dakota with the 4.7L V8. That motor has descent power for midsize pickup but it feels very sluggish off the line compared to both Grand Cherokees. Gear ratio??
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Old 09-01-2015, 06:33 AM
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V8 (4.7L) vs V6 Pentastar

I had an 09 SRT GC, don't really remember what it was like honestly it was so many cars ago. But I do remember my 2012 Hemi GC. It was a dog. My sisters 2010 suburban would outrun it. I could only imagine how awful the Pentastar must have been 2011-13. But I just switched from a 14 Hemi overland to a 15 Pentastar overland and I will admit, I don't find any issue with power.

The 2014 Hemi had a smoother powertrain. It always shifted smoothly. That right there is enough reason to choose the Hemi. My only complaint was that, I didn't find the Hemi 'sound' to be all that impressive. I even had a passenger argue with me at one point that it didn't have a V8 until I pulled to the side of the road and popped the hood. He was amazed. Definitely doesn't sound as good as the SRT or the Tahoe I had previously.

My new Pentastar has been good so far. It has plenty of power. It 'feels' more excited to accelerate than say a Chevy traverse or a Ford Explorer (both have similar curb weight and horsepower). It's a good ride. It does exactly what you want it to, with the occasional transmission clunk. Nothing too severe though. It was built 06/15 so it's really new. I'm at 5,500 miles. I'm impressed with it. But it's no Hemi.
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Old 09-01-2015, 08:02 AM
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Re: V8 (4.7L) vs V6 Pentastar

Quote:
Originally Posted by overlanding View Post
The 2014 Hemi had a smoother powertrain. It always shifted smoothly. That right there is enough reason to choose the Hemi. My only complaint was that, I didn't find the Hemi 'sound' to be all that impressive. I even had a passenger argue with me at one point that it didn't have a V8 until I pulled to the side of the road and popped the hood. He was amazed. Definitely doesn't sound as good as the SRT or the Tahoe I had previously.
I guess sound is subjective as well, but that glorious sound inside the cabin of my '14 Summit from that Hemi is absolutely one of the major reasons I chose that engine. It just sounds so good and is music to my ears. On the outside I would agree that there isn't much to listen to compared to other SUV's with V8's, but inside they did a great job of making it sound just right. In sport mode sometimes I get the impression it has an aftermarket exhaust as it's actually fairly loud. That's why I found it very odd about your story with one guy not believing that it's a V8. Unless there is something different with the exhaust on my '14 Summit, there is absolutely no mistaking what's under the hood of that car when accelerating. Either way I personally love it and Thad all that matters!
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Old 09-01-2015, 10:26 AM
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Re: V8 (4.7L) vs V6 Pentastar

^^I'm kinda jelly, I wish I would've went with a summit. And white was my first choice. And the gas savings isn't enough on the Pentastar to really care.

And towing with newer GCs should be far superior because they all have a rear load leveling suspension.. Right?
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