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  #49  
Old 02-14-2014, 12:16 AM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

I just came across this article, and I found it a bit strange. The author decides the diesel is no good because it sounds rough? That doesn't seem to be the consensus from most reviews, it is selling by the truck load down here in oz on the basis of it's refinement. And then he bags it on the basis that it is more expensive than the petrol? I understand the argument that you can buy the pentastar for less and running costs are still pretty good given the higher cost of diesel, and then the servicing costs, etc. But who cares? Who is buying this car for fuel economy? It isn't a prius.....

The diesel is a killer motor, I can't see why anyone would buy the V6 pentastar when you can have a mountain of torque in the diesel. Unless you're worried about saving a few dollars.

I'd be surprised if the pentastar is quicker than the diesel, especially with a load.
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  #50  
Old 02-14-2014, 12:29 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by Benn0 View Post
I'd be surprised if the pentastar is quicker than the diesel, especially with a load.
Both the 0-60 and 1/4 mile times are quicker than the CRD. Drivability is another matter...
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  #51  
Old 02-14-2014, 01:58 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by Roger Ramjet View Post
Both the 0-60 and 1/4 mile times are quicker than the CRD. Drivability is another matter...
Point taken to separate the two. But the V6 hardly lacks drivability. Perhaps drivability while towing 5000Lbs, sure. Assuming it doesn't overheat

By the way, I think from this long cold Winter especially in the North East that uses lots of Oil to heat. The Supply and Demand of Home Heating oil is driving the price of Diesel up. It's now $0.90 more than Regular at every station I pass (Mobile, Shell and Hess). $349 vs $439 ish. Normally it's any where from $0.40-$0.60 more.
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  #52  
Old 02-14-2014, 10:26 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by Roger Ramjet View Post
Both the 0-60 and 1/4 mile times are quicker than the CRD. Drivability is another matter...
Well that is what I've read, but is it true?

I thought the CRD did mid 7s (0-100kph for us Aussies) and the 3.6 petrol did it in the 8s. It looks like the 3.6 likes the new gearbox if it is doing under 8s in the MY14?

My CRD limited arrives in march (hopefully) I'll have to give it a few tests on cold winter nights and see what it says.

I notice the 30mph-50mph and 50mph to 70mph times are pretty good on the CRD too, maybe that is the difference in drivability? Offroad the CRD is going to be a better option too, IMO.
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Old 02-15-2014, 12:00 AM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

The torque and power are available sooner which is what elicits the comments about V8 power, pulls like a locomotive, etc. This is true, the diesel does give the feeling of more power but hp is work over time and this favors the gas variants when it comes to acceleration. Its also significantly heavier.

The newer diesels do drive much better (feel more powerful) than the hp or acceleration times imply and new(er) variants are downright civilized. Numbers never tell the whole story and those who have not driven a recent diesel might be well served to test drive one before dismissing it offhand.
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  #54  
Old 02-15-2014, 01:38 AM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by crabman View Post
The torque and power are available sooner which is what elicits the comments about V8 power, pulls like a locomotive, etc. This is true, the diesel does give the feeling of more power but hp is work over time and this favors the gas variants when it comes to acceleration.
And the gas variant suffers as load is added, so if you add hills, friction (mud) or weight (passengers and gear) the petrol has to work harder.
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Old 02-15-2014, 10:41 AM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by Benn0 View Post
And the gas variant suffers as load is added, so if you add hills, friction (mud) or weight (passengers and gear) the petrol has to work harder.
C'mon now. We never argued against that but don't praise the Diesel as if it were immune to Newtonian physics. The Diesel also will work harder when you add hills, friction, weight - and we all recognize it would be impacted less than the gas engines.

Look, on the bright side, at least the engine will not be cold when the diesel starts working harder !
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Old 02-15-2014, 11:56 AM
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  #57  
Old 02-15-2014, 12:22 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

Everything I am reading says the CRD is as fast if not slightly faster in both the mile and 0-60 compared to the 3.6L Drive a CRD and you will feel the torque. Hands down it is a better drive than the 3.6L
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  #58  
Old 02-15-2014, 12:45 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

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Originally Posted by LaredoX View Post
Ugh. They put the steering wheel on the wrong side.
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Old 02-15-2014, 01:16 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

This has been discussed before ad nauseum. Here's my quote of myself...

Arrrgghhh! Beaten by a rav 4!

and then there's this
2014 Jeep Grand Cherokee Summit EcoDiesel 4X4 vs. 2013 Volkswagen Touareg TDI, 2013 Mercedes-Benz ML350 BlueTec 4MATIC, 2013 Porsche Cayenne Diesel, 2013 BMW X5 xDrive35d: Final Scoring, Performance Data, and Complete Specs


Therefore, here are the numbers resulted from instrumented tests by the same automotive publication, which removes some of the inherent bias associated with automotive testing.

Quote:
Originally Posted by f1anatic View Post
2014 Jeep Grand Cherokee Diesel
2014 Jeep Grand Cherokee Hemi V-8
2012 Jeep Grand Cherokee SRT
2014 Jeep Grand Cherokee V6
2011 Jeep Grand Cherokee V6

2014 Jeep Grand Cherokee 3L Diesel
C/D TEST RESULTS:
Zero to 60 mph: 8.0 sec

2014 Jeep Grand Cherokee Hemi V-8
C/D TEST RESULTS:
Zero to 60 mph: 6.5 sec

2012 Jeep Grand Cherokee SRT
C/D TEST RESULTS:
Zero to 60 mph: 4.7 sec

2014 Jeep Grand Cherokee V6
C/D TEST RESULTS:
Zero to 60 mph: 7.5 sec


2011 Jeep Grand Cherokee V6
C/D TEST RESULTS:
Zero to 60 mph: 8.4 sec


The screen shot is taken from here
From Left to Right:
BMW X5; Jeep; Mercedes ML350; Porsche Cayenne; VW Touareg

In fact it gets better from Car and Driver:

2014 Diesel 3L V6 Grand Cherokee test numbers
2014 Pentastar 3.6L V6 Grand Cherokee test numbers (PDF) from this website

Test - Diesel - Pentastar

0 - 30 mph @ 2.3 sec @ 2.6 sec
0 - 60 mph @ 8.0 sec @ 7.5 sec
0 - 100 mph @ 24.9 sec @ 20.0 sec
0 - 110 mph @ 33.9 sec @ 26.6 sec
Rolling Start
5 - 60 mph @ 9.0 sec @ 7.9 sec
Top Gear
30 - 50 mph @ 3.9 sec @ 3.7 sec
Top Gear
50 - 70 mph @ 5.7 sec @ 5.2 sec
Quarter Mile @ 16.1 sec and 84 mph @ 15.7 sec @ 90 mph

So...in conclusion the diesel ain't faster if nobody is towing and the vehicle load is about the same, and the test is done at the altitude most Americans live. Ooops...0-30 mph diesel rules.

The diesel Grand Cherokee is a fantastic machine no doubt. But it neither defies the laws of physics nor is it the last word in automotive technology. I would have bought one, but I cannot justify the penalty in fuel price and acquisition costs because I have no specific towing, mountain driving or long range driving needs.
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Old 02-15-2014, 02:35 PM
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Re: USA Today - Test Drive: New diesel Cherokee not quite Grand

Quote:
Originally Posted by f1anatic View Post
This has been discussed before ad nauseum. Here's my quote of myself...

Arrrgghhh! Beaten by a rav 4!

and then there's this
2014 Jeep Grand Cherokee Summit EcoDiesel 4X4 vs. 2013 Volkswagen Touareg TDI, 2013 Mercedes-Benz ML350 BlueTec 4MATIC, 2013 Porsche Cayenne Diesel, 2013 BMW X5 xDrive35d: Final Scoring, Performance Data, and Complete Specs


Therefore, here are the numbers resulted from instrumented tests by the same automotive publication, which removes some of the inherent bias associated with automotive testing.





The screen shot is taken from here
From Left to Right:
BMW X5; Jeep; Mercedes ML350; Porsche Cayenne; VW Touareg

In fact it gets better from Car and Driver:

2014 Diesel 3L V6 Grand Cherokee test numbers
2014 Pentastar 3.6L V6 Grand Cherokee test numbers (PDF) from this website

Test - Diesel - Pentastar

0 - 30 mph @ 2.3 sec @ 2.6 sec
0 - 60 mph @ 8.0 sec @ 7.5 sec
0 - 100 mph @ 24.9 sec @ 20.0 sec
0 - 110 mph @ 33.9 sec @ 26.6 sec
Rolling Start
5 - 60 mph @ 9.0 sec @ 7.9 sec
Top Gear
30 - 50 mph @ 3.9 sec @ 3.7 sec
Top Gear
50 - 70 mph @ 5.7 sec @ 5.2 sec
Quarter Mile @ 16.1 sec and 84 mph @ 15.7 sec @ 90 mph

So...in conclusion the diesel ain't faster if nobody is towing and the vehicle load is about the same, and the test is done at the altitude most Americans live. Ooops...0-30 mph diesel rules.

The diesel Grand Cherokee is a fantastic machine no doubt. But it neither defies the laws of physics nor is it the last word in automotive technology. I would have bought one, but I cannot justify the penalty in fuel price and acquisition costs because I have no specific towing, mountain driving or long range driving needs.
And in a recent search on the net, I can find quite a few sites that list the Ecodiesel as faster than the V6. The real test is drive both models. I personally thought the Diesel smoked the V6.
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