Jeep Grand Cherokee lethal in evasive maneuver - Page 7 - JeepForum.com
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post #91 of 158 Old 07-20-2012, 04:44 PM
airec13
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Quote:
Originally Posted by hammer1234

Actually, I'd also like to see how the 4Runner, Pathfinder, and Land Rover vehicles do as well.

We have a 2001 Highlander, and although it's advertised to be in the same class as a crossover it does not handle like a true off-road capable SUV.
Actually the 4Runner does really well in evasive maneuvers! :-)



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post #92 of 158 Old 07-20-2012, 05:51 PM
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Actually the 4Runner does really well in evasive maneuvers! :-)

http://www.youtube.com/watch?v=WjhNn...e_gdata_player
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post #93 of 158 Old 07-26-2012, 08:13 AM
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2012 Jeep Grand Cherokee Rollover Risks? (Chrysler Engineers Invited To New Testing)

2012 Jeep Grand Cherokee Rollover Risks? (Chrysler Engineers Invited To New Testing)

So as of late auto blogs and online magazines have been a buzz over this video released by Swedish magazine Teknikens Värld. There web bases episode shows a dramatic lane-change maneuver called evasive maneuver (moose test), in which the 2012 Jeep Grand Cherokee seems to fail horribly.



2012 Jeep Grand Cherokee Rollover Risks? (Chrysler Engineers Invited To New Testing) | Morris 4×4 Center Blog

Now I don't know if many of you have seen this or not but we thought it was interesting. What is your take?


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post #94 of 158 Old 07-26-2012, 08:17 AM
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I merged your thread above with this thread.
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post #95 of 158 Old 07-26-2012, 08:24 AM
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I merged your thread above with this thread.
That link has the 2nd video of testing and follow up. so i dont think its a reposting, but ok.....


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post #96 of 158 Old 07-26-2012, 10:04 AM
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We have discussed it and I am starting to doubt that Chrysler will adress this after this video. The first response came very fast but a second comment has not yet been made which is poor. This video shows that they lied in the first respons which idoitic. Now they are either testing and devoloping a solution or they are hidding and waiting for the storm to blow over, would it have been a more important magazine they would have been worse of. For instance German Automotosport have a swedish version and the news would have been in both making the impact larger internationally.

JEEP is a low selling car in sweden and thats a shame as it is much more of a car than a XC90. The Xc90 was my second choice but that car is OLD both exterior and interior, a shame that anyone keeps buying it as you get the interior of a 2000 model car at the price of a 2012. On the other hand my GC stands out and gets attention.
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post #97 of 158 Old 07-26-2012, 10:58 AM
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Quote:
Originally Posted by Morris4x4Center

That link has the 2nd video of testing and follow up. so i dont think its a reposting, but ok.....
Yea but with t being the same topic and whatnot figured it was better suited in here.

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post #98 of 158 Old 07-26-2012, 05:22 PM
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I did the Moose Test today in my 2012 Overland with Air Suspension with 20inch wheels and stock Goodyear Fortera HLs at 86 mph in front of a Semi to my right and around a car in the left lane. I was in sport mode with no passengers but that is twice the speed of the Moose Test and the Jeep held firm.
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post #99 of 158 Old 07-26-2012, 05:46 PM
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I did the Moose Test today in my 2012 Overland with Air Suspension with 20inch wheels and stock Goodyear Fortera HLs at 86 mph in front of a Semi to my right and around a car in the left lane. I was in sport mode with no passengers but that is twice the speed of the Moose Test and the Jeep held firm.
I'm in the same boat. South Florida has the worst drivers I've ever encountered, so "moose tests" and evasive maneuvers are a daily occurrence. Generally on the highway at speeds in excess of 70, avoiding road debris or clueless drivers. Never, once, has the GC ever seemed like it was even close to rolling..

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post #100 of 158 Old 07-27-2012, 01:58 PM
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Update here:

http://www.auto-motor-und-sport.de/n...t-5305076.html


Translation is that the evasive maneuver test (moose) was redone by a german team under controlled conditions without dramatics.
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post #101 of 158 Old 07-27-2012, 05:03 PM
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Here's what AMS had to say after there second test.

The avoidance event included releasing the accelerator pedal, provoking a load shift. AMS reported, “Whether loaded with 2 people on board or with the maximum permissible total weight, all four wheels maintained contact with the ground to the greatest possible extent. The tested Jeep did not demonstrate one-sided uplift or, let alone, tipping. This confirms the theory that the Cherokee in Sweden was overloaded.”

Sorry to my Swedish Grandma but I do trust the German report a lot more. Its clear they followed good test protocol. So my summary is:

Swedes

Germans.

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post #102 of 158 Old 07-27-2012, 06:10 PM
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My ancestry is mostly German so - another win for the good guys!
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post #103 of 158 Old 07-30-2012, 10:30 AM
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post #104 of 158 Old 07-30-2012, 02:14 PM
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AMS is a better source but the test lack of credibility compared to the well covered tests that TV made. Some specifications on the test conditions, the car and images or even better video would strengthen their case tremendously.
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post #105 of 158 Old 08-01-2012, 08:28 AM
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I think it is possible to get any tall vehicle to flip over if handled too roughly. This particular exercise involves multiple hard turns, so resonance becomes an issue. (The second turn is worse than the first, because of the built up tension in the suspension.)

I bought the Jeep because I felt that it handled much better than many other SUV's that tends to float like boats. I still think it handles well.

What is inexcusable, however, is that the tire/rim combination appears to be inappropriate for the weight of the vehicle. 7 of 12 times during the test the tires blew out, that should never happen during an evasive manoeuvre!

I'm guessing that a smaller rim with larger tire will provide less stability, but reduce the chance of a blow out. Something to think about.

-- T
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