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Old 03-05-2014, 06:43 PM   #15
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Originally Posted by andreasduess View Post
How about the Mercedes Bluetec? Seats seven, returns 26mpg, and an out of the box tow rating of 7500lbs.
The problem with the Mercedes GL350 is the same problem that Airstreamers run into with pretty much all European SUVs; tongue weight. For some reason, European trailers are set up to have 5%-8% of their weight in the tongue while American trailers seems to be more like 10%-15%. Airstream seems to like the ~12% area. According to the GL350's manual, the max tongue weight is 600 lbs, which is 8% of 7500lbs just as one might expect. If I'm wrong on this would someone kindly correct me?

My understanding is that some folks have had their hitches reinforced and have towed with the MB just fine. Without opening a whole can of worms (crosses fingers) I will say that, as an attorney, I think I would be a lot less likely to get royally sued in the event of an accident were I towing within the manufacturer's specifications. Please note that this is a personal choice that is right for me but may not be for you.
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Old 03-05-2014, 09:17 PM   #16
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In addition to "how much can it tow and stop", I've always considered a big advantage of the 3/4 ton to be "how much can it carry"? The 1/2 tons (which I have) don't allow for a whole lot of stuff to be loaded in. Kinda makes the older 3/4 ton models into a cult classic.
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Old 03-05-2014, 10:09 PM   #17
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I have had 4 Suburbans, last three were 3/4 tons with the last one being a mighty 8.1 with 4wd and 4.10 gears..

All good vehicles, good value as well. I tow a Safari 30 and have 100k on it towing now. I just sold my Sub and bought a GL350. It tows great and gets upper 20s mpg when solo.

I hate to see the 3/4 tons go. They fit a role for the family man like no other.

New version Sub has some sad mirrors, much nicer interior though.
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Old 03-05-2014, 11:23 PM   #18
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New version Sub has some sad mirrors, much nicer interior though.
You're not kidding about the ridiculously small mirrors. I'm sure part of that was to maintain fuel economy.
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Old 03-06-2014, 01:45 PM   #19
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The new 2015 Suburban has 200 lbs. more trailering capacity (8300 lbs) than the 2014 model (8100 lbs). The GMC Denali XL with the 6.2L engine has 420 HP and 460 lb-ft torque versus the Suburban 5.3L at 355 HP and 383 lb-ft torque. The Denali though, has the same trailering capacity and payload as the Suburban. So, I guess that means that if you are towing the same load with each, the Denali will get up the hills quicker. Also interesting, with the bigger engine, the Denali gas mileage rating is only 1 mpg worse than the Suburban city driving and 2 mpg worse highway driving.
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Old 03-06-2014, 03:36 PM   #20
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The new 2015 Suburban has 200 lbs. more trailering capacity (8300 lbs) than the 2014 model (8100 lbs). The GMC Denali XL with the 6.2L engine has 420 HP and 460 lb-ft torque versus the Suburban 5.3L at 355 HP and 383 lb-ft torque. The Denali though, has the same trailering capacity and payload as the Suburban. So, I guess that means that if you are towing the same load with each, the Denali will get up the hills quicker. Also interesting, with the bigger engine, the Denali gas mileage rating is only 1 mpg worse than the Suburban city driving and 2 mpg worse highway driving.
Yes, the new Denali is very interesting in that regard. My understanding is that the 6.2 is a really lovely engine. Now if I could just get over that Denali styling...
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Old 03-06-2014, 04:58 PM   #21
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Yes, the new Denali is very interesting in that regard. My understanding is that the 6.2 is a really lovely engine. Now if I could just get over that Denali styling...
After doing a little digging it looks like the Denali idea has a small flaw. The payload capacity is less than the Suburban's by a couple hundred pounds. I imagine that 6.2 weighs a little more than the 5.3 and they share the same chassis...

Denali Capacities
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Old 03-06-2014, 05:30 PM   #22
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After doing a little digging it looks like the Denali idea has a small flaw. The payload capacity is less than the Suburban's by a couple hundred pounds. I imagine that 6.2 weighs a little more than the 5.3 and they share the same chassis...
To gain that much extra HP and torque, it's worth sacrificing 200 lbs of payload.
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Old 03-06-2014, 06:41 PM   #23
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Our 2010 Denali was the worst TV we have had! It is setup as a suburban cruiser. The exhaust sound was wonderful until under load and then the drone was absolutely horrendous. I tried to get GMC to put a stock Suburban exhaust on, but OH NO. The 6.2 and six speed auto was programed very poorly for towing in my opinion. Even shifting manual was a pain. I'd ask about software updates every time I took it in. Mileage was 8ish at 5 over. Perhaps all has been improved in the latest model but I would really want to tow with one first.

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The New Denali with the 6.2l engine should be rated in the plus 8000 lb range which is more than enough for the 25 footers.
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Old 03-06-2014, 06:52 PM   #24
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That's one of the challenges for me in all this; you've pretty much got to buy the thing before you can tow with it but you want to tow with it before you buy it.
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Old 03-06-2014, 08:48 PM   #25
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2012fb, did you have an aftermarket exhaust installed on your Denali? Because you stated you wanted a GMC exhaust system installed.
I would very much want to know your experience with the 6 SPF auto not well suited for towing. What did you not like about it? I'd like to know because if it is not a good tow vehicle then when the time comes to sell our Tahoe I don't think the Denali would be my choice then. I really like what I see it photos. I hope they'll be out soon. The Yukon's look great and the interiors are fantastic
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Old 03-06-2014, 09:15 PM   #26
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I purchased 2500 burban in December, took a while to find. My dealer told me they would be back, all new design. I turned in a 2008 1500 with over 100k. I did not wAnt to wait a couple more years. I pack to full capacity for my job and tow a bambi. I am anxious to see how it will all tow this year when I start my season in May. Gas milelage not so good, piece of mind traveling mostly alone and maxed out payload wise, priceless. Btw, I do notfi d the ride any different or rougher in the 2500. The tow mirrors however can be dicey in tight spots. I eirher park far away or pull them in.
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Old 03-06-2014, 09:46 PM   #27
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That's supposed to be good on fuel? I get that number whilst towing. Some of the Jeep diesels report 20mpg and up, whilst towing.

How can they justify releasing a car, in this day and age, with such lousy mileage?
20 mpg towing? I am from Missouri, show me.
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Old 03-07-2014, 12:48 PM   #28
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Btw, I do notfi d the ride any different or rougher in the 2500. The tow mirrors however can be dicey in tight spots. I eirher park far away or pull them in.
That's very interesting to me. I replaced a 2010 1500 with a 2012 2500 and found the ride comfort and handling to be markedly worse in the 2500, especially when driving solo. I'm not necessarily saying that it's BAD in the 2500 but the suspension is extremely stiff and the larger engine makes quite a bit more noise while driving around.

You're spot on about those tow mirrors though; they're great to have when towing and a PITA almost all the time otherwise.
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