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-   -   New to GC,need advice on QT II vs QD II (http://www.jeepgarage.org/f73/new-to-gc-need-advice-on-qt-ii-vs-qd-ii-41902.html)

cleopatra 05-09-2012 04:23 AM

New to GC,need advice on QT II vs QD II
 
Hi guys , just joined your site ! It's amazing . You all know your jeeps. I am looking to buy my very 1st GC and need your help. I am moving from south to north and don't really know how to drive in the snow :lol: So I need a really good 4x4 drive. I been reading a lot about QT II vs QDII and it looks like QD II is much better on the snow. I am also planning to do mild offroading, but no towing.
The problem is - V6 doesn't come with QDII , right ? I test drove V8 , but it seemed to be " too heavy for me " , I am 94 pounds woman. I am also concerned about gas mileage since I will be driving a long distances .
So , I am trying to decide if I should get V6 Overland with QTII and pray that I don't spin in the snow ( imagine somebody from Hawaii on the snowy road,scary thought):lol:
Or lift some weights , so I can drive V8 ( but mpg is bad :(.
Or try to wait for 2013 and see if they will install QDII on V6 or diesel ( although it will cost me more shipping my car/ renting)....
Or try to look for another 4x4 SUV ( WV , toyota etc )
or any other suggestions ?
May be you guys will just say that QT II is good enough ? ( this is what the salesperson said ).

2) I also have question about OFRA II package ( all the skid plates and tires) , but I guess it could be another post and I am planning to read thread on that.

Thank you very much "!
P.S sorry for the long post and hope I didn't offend V8 owners ( it was just my own experience , but I am thinking to test drive it again tomorrow)

Escape 05-09-2012 07:30 AM

Re: New to GC,need advice on QT II vs QD II
 
You want QD2, but first where up North are you planning on moving? Talking to one of the forum members from that area would give you a better idea of what your in for weather wise and what is needed.

What year Jeep as QD2 is different in the WK1 vs WK2?

MPG is about the same but the HEMI has the power to do what you want, when you want to.

Never trust the salesman!

Gus9890 05-09-2012 08:12 AM

Re: New to GC,need advice on QT II vs QD II
 
As long as you have 4WD, some good winter tires, and fog lights on it, you'll be fine. (I'm from Northwestern PA)

Aiyer 05-09-2012 11:34 AM

Re: New to GC,need advice on QT II vs QD II
 
I would definitely recommend getting QT II. This option gives you the Select Terrain feature and the ability to put the Jeep in 4-Lo. Personally, I think if it is a Jeep, it must have the 4-Lo... else might as well get a Subaru.

I lived in MN and my old ZJ did great in the snow. Just make sure you have the right tires. I moved up there from Dallas TX and the first snow storm we had in MN, I went to an empty parking lot and played in snow to learn how the Jeep handled and also went to streets in the countryside to see how it performed. Just take is easy the first couple of snow storms so you get the feel of the Jeep and you should be fine.

Oh, welcome to Jeep Garage! :)

ColdCase 05-09-2012 11:38 AM

Re: New to GC,need advice on QT II vs QD II
 
QD (which is just a limited slip rear diff) will do a little better on steep slippery slopes, 12 inches of fresh heavy snow, or several inches of mud, situations that you are unlikely to encounter unless you have a very steep driveway in heavy snow country.... or do serious off roading.

Both QT I and II do just fine on the street in all weather conditions. My wife has driven QT I equivalent systems for years without issue. QT II is much better for off road, or slow going. All current jeeps have brake traction control, which stops an out of control wheel from spinning much, so the functional difference between Jeep systems on the street and mild trails is not nearly as significant as is was 6-7 years ago.

By the way, they don't put the QD on the V6 or on the diesel because those power plants can't spin the wheels anyway :).

The most important item is tires, they can make or break you. QD vs QT is just a little wheel spin, and in typical situations you can easily work around the spin.

If you can afford it, the QT II system is well worth the extra margin over the QT I, I think.

QT I is an open diff in the transfer case with the ABS stopping wheels that spin. Many SUVs and cars offer this kind of system

QT II adds limited slip to the transfer case diff and also uses the ABS to stop wheels that spin. QT II has a lock function that locks front and rear axles together which is useful for very slippery or off road conditions. It also has neutral if you want to tow the Jeep and low range useful for slow off road going. Select terrain is also available which customizes the computer program controlling the ABS and transfer case clutches to the weather condition.

QD is the QT II components with a limited slip to the rear diff and corresponding traction control software.

dizz1979 05-09-2012 11:45 AM

Re: New to GC,need advice on QT II vs QD II
 
You are going to get varying opinions. Personally have a 2005 with Quadra Drive II, prior to that I had Quadra Trac II. Both are fine in the snow, but the QD II is superior. Maybe with the select terrain it is different. I ordered my new Jeep with the ORA II and a hemi. Yes you are correct, you cannot get the V6 with Quadra Drive II.

bromhead 05-09-2012 12:17 PM

Re: New to GC,need advice on QT II vs QD II
 
Most people probably don't need QDII (and the associated ELSD..rear locker), I think QTII would be fine. If you want the top of the line off road system, you have to get a v8. And, unlike 2011, you now also have to get either a limited or overland, and the appropriate off road package. This requires you to also get QL (air suspension), which is something I can't recommend, although the majority of people probably have not had a problem. YMMV.

cleopatra 05-09-2012 02:19 PM

Re: New to GC,need advice on QT II vs QD II
 
Thank you for the input , it helps . I read somewhere that QTII is more like AWD rather than 4x4 ? From the post I got that it will be unlikely that QDII will be added to V6 or diesel , so I guess there is no point to try to wait for 2013 .
Thanks to all that I learned from your site , I had more knowledge about all the systems/engine/etc than 4 different salesmens in different dealerships . Which was kinda funny :))

jgc4ever 05-09-2012 02:32 PM

Re: New to GC,need advice on QT II vs QD II
 
Quote:

Originally Posted by cleopatra (Post 627096)
Thank you for the input , it helps . I read somewhere that QTII is more like AWD rather than 4x4 ? From the post I got that it will be unlikely that QDII will be added to V6 or diesel , so I guess there is no point to try to wait for 2013 .
Thanks to all that I learned from your site , I had more knowledge about all the systems/engine/etc than 4 different salesmens in different dealerships . Which was kinda funny :))

Quadra Trac II which is what I have has a snow mode which works great in snow. And if you ever got in deep snow it has 4-lo too.

Aiyer 05-09-2012 02:40 PM

Re: New to GC,need advice on QT II vs QD II
 
Quote:

Originally Posted by cleopatra (Post 627096)
Thank you for the input , it helps . I read somewhere that QTII is more like AWD rather than 4x4 ? From the post I got that it will be unlikely that QDII will be added to V6 or diesel , so I guess there is no point to try to wait for 2013 .
Thanks to all that I learned from your site , I had more knowledge about all the systems/engine/etc than 4 different salesmens in different dealerships . Which was kinda funny :))

I believe QT I is more like AWD... hence my earlier reference to "Subaru". :) No offense to Subaru owners... or Jeep owners with QT I.

penzly 05-09-2012 06:30 PM

Re: New to GC,need advice on QT II vs QD II
 
Im a QT1 owner and Im not offended. I grew up in snow and live in snow. More than most. I've had Select Trac Jeep GC, AWD Kia Sorento, Ford Expy with LS and lockers, and now QT1. QT1 will get you anywhere you want to go in snow, and so will QT2. They are the same unless you use lo range on the QT2. I've never needed to use 4lo in the winter. I did however use it to pull stumps out of the ground...
do you want to pull tree stumps or rock crawl? If yes, get 4lo. If not, dont worry about it. And I see an awful lot of Subarus still on the highway when many inexperienced SUV'rs are in the median:D

Cherodude 05-09-2012 07:44 PM

Re: New to GC,need advice on QT II vs QD II
 
Any Jeep 4WD (particularly, full time 4WD like on the WK2) will be fine in snow unless you are really planning to push into the deep stuff. Since you are moving from the south, I have the impression you want a solid drive system but won't be heading on too many unplowed trails during blizzard time. So, QTI or QTII with the V6 should be enough - preference for the latter if budget allows.

But the main thing in snow is the right tires on all four corners. Either dedicated snow tires (Blizzaks or such), or a good snow-rated all terrain (Michelin LTX M/S2, Goodyear Wrangler Silent Armor, etc, etc.)

The snow tires have better grip on ice, due to their rubber compound, but also wear faster in warm weather. The all-terrain type can be used year-round, so help in mud as well as snow.

There are lots of threads on JG for tire options. Have a look around. If you really want the best deal on tires, it could be part of your negotiation with a dealer. Tires that come on your Jeep from the factory drop in value very fast after just a few miles.


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