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Old 09-21-2014, 09:00 AM   #1
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2015 GMC Yukon Denali 12,000 lb Towing

Now you're talkin'. 8 speed transmission with 6.2 L coming in 4th quarter 2014 with 12,000 lb towing capacity.

http://tinyurl.com/GMC-8-Speed
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Old 09-21-2014, 09:46 AM   #2
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Not sure if the YD will have a 12,000 lb towing capacity. Sure the engine and trans will handle, but will the suspension. The GM SUVs are typically lower rated than the trucks for towing.
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Old 09-21-2014, 10:15 AM   #3
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Is this with a 1/2 ton format?
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Old 09-21-2014, 10:21 AM   #4
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1/2 ton ,yes...no 2500 SUVs. It'll be 12,000 lbs....for boaters with low tongue weight. For us, tongue weight and GRAWR will limit the load long before you reach 12,000 lbs. BUT, if it meets J2807 at 12,000, think how it performs with a lighter (TW and thus overall weight) AS.
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Old 09-21-2014, 03:37 PM   #5
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From media.gmc.com:

"The GM-developed Hydra-Matic 8L90 eight-speed is approximately the same size and weight as the Hydra-Matic 6L80 six-speed automatic. Its 7.0 overall gear ratio spread is wider than GM’s six-speed automatic transmissions, providing a numerically higher first gear ratio to help drivers start off more confidently with a heavy load or when trailering. The 8L90 also enables numerically lower rear axle ratios, which reduce engine rpm on the highway.

With 420 horsepower and 460 lb.-ft. of torque, the 6.2L EcoTec3 V-8 is the most powerful engine offered in any light-duty pickup, and offers a maximum available trailer rating of 12,000 pounds, based on SAE J2807 Recommended Practices. As with other EcoTec3 engines, it seamlessly switches to four-cylinder operation under lighter loads to improve fuel economy."
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Old 09-21-2014, 11:33 PM   #6
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Good luck! still, be careful not to overload!
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Old 09-22-2014, 05:44 AM   #7
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That looks like a killer combo. I want one.

Speaking of a killer-combo, this setup might be branded by the "experts" as trailer-killing "overkill." Some will be worried that it will destroy our dainty AS trailers.

What do you all think? If "overkill" or "over-hitched" actually exists won't this be too much of an overpowered beast to strap any AS trailer onto?
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Old 09-22-2014, 06:50 AM   #8
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No.
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Old 10-01-2014, 02:55 PM   #9
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My understanding is that the 3/4 and one ton SUVs and PUs are rough on Airstreams because their stiffer suspensions transfer too much shock to the trailer... it doesn't have anything to do with the vehicles' power.

Also, I thought the 12,000 lbs was for the pickup with 3.42 gearing. The Yukon Denali comes with 3.23 gearing and is rated to 8100lbs (2wd) and 7900lbs (4wd). http://www.gmfleetorderguide.com/NAS...&page=&butID=8


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Old 10-01-2014, 03:59 PM   #10
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Originally Posted by phbarnhart View Post
Also, I thought the 12,000 lbs was for the pickup with 3.42 gearing. The Yukon Denali comes with 3.23 gearing and is rated to 8100lbs (2wd) and 7900lbs (4wd). Model Information - Online Ordering Guide
I assume those numbers are for the 6 speed transmission. The new 8 speed with more towing capacity is coming out later this year.
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Old 10-01-2014, 04:06 PM   #11
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I believe this is the new corvette engine. Impressive. Ford had to one-up GM with 12,200 lbs towing.
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Old 10-01-2014, 04:08 PM   #12
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2015 GMC Yukon Denali 12,000 lb Towing

Quote:
Originally Posted by Roadtech View Post
I assume those numbers are for the 6 speed transmission. The new 8 speed with more towing capacity is coming out later this year.

That chart was recently updated to show the new 3.23 gearing coming with the 8-speed transmission. My assumption is that the towing numbers are, therefore, accurate for the 8-speed transmission. The rest of the GM fleet page has also been updated to show the 8-speed. Those numbers are listed the same as the with the 6-speed but the thing is geared higher. That said, I've ordered a 2015i Yukon XL Denali and I won't be upset if they revise those numbers upwards.


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Old 10-01-2014, 04:49 PM   #13
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When will they get your Denali in phbarnhart? I' asuming the i is for the updated model with the 8spd?
There is a web site you can monitor from GM that has your order number. With that number you'll be able to track your order from start to finish as it's being built. If you didn't already l
know that of course.
Congratulations by the way. Do you still have your EB?
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Old 10-01-2014, 04:59 PM   #14
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8 speeds. Zowie! And I thought 5 was awesome! I wonder how many of the top gears are overdrive?
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Old 10-01-2014, 05:35 PM   #15
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Originally Posted by subfan1 View Post
When will they get your Denali in phbarnhart? I' asuming the i is for the updated model with the 8spd?
There is a web site you can monitor from GM that has your order number. With that number you'll be able to track your order from start to finish as it's being built. If you didn't already l
know that of course.
Congratulations by the way. Do you still have your EB?

Yes, my understanding is that the i stands for interim.

I found a website to check the order status but it wasn't working. It appears as though it isn't a GM website but run by a third party. Which website do you recommend? My order is still at 1100 but I think that's because they haven't actually started building the 2015i yet.

No, the EB was sold about 6 months ago; our family grew and it was no longer big enough. The new Denali should be able to pull a new one if we decide to buy one. Perhaps in a few years when the baby is a little older.


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Old 10-01-2014, 05:48 PM   #16
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Wow that was fast on the sale!
Try this one:
Connects | GM vehicle order tracking

You may already have used this one?
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Old 10-01-2014, 05:50 PM   #17
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Wow that was fast on the sale!
Try this one:
Connects | GM vehicle order tracking

You may already have used this one?

Yes, that's the one I tried that didn't work. I checked out their Facebook page and it seems as though it no longer works because GM basically shut down their access.


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Old 10-01-2014, 06:50 PM   #18
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I just replaced the bent A-frame of my Bambi, I was too zealous in hitching to my 2500 2013 Suburban. I have a brand new shiney 3/16 tube frame. Do not ask how many $$$$ it took to get back on the road. You can have too much of a good thing.
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Old 10-01-2014, 09:43 PM   #19
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I just replaced the bent A-frame of my Bambi, I was too zealous in hitching to my 2500 2013 Suburban. I have a brand new shiney 3/16 tube frame. Do not ask how many $$$$ it took to get back on the road. You can have too much of a good thing.

Yeah, the rear suspension on that SUV is a pretty firm leaf spring setup; I've got a 2012 3/4. It's a fantastic towing machine.


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Old 10-01-2014, 11:29 PM   #20
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What is the projected mpg ... ?
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