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Old 09-13-2019, 09:34 AM   #1
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GMC Denali w/6.2 liter engine

DW and I are looking at a 2019 6.2 liter Denali to tow our Flagstaff Microlite 25 RKS. Does anyone have any experience with the 6.2 liter engine to share?
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Old 09-13-2019, 09:40 AM   #2
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Heck, that TT is within the specs of my 2019 Chevy Colorado with a 3.6 V6. Should be no problem with the 6.2 V8
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Old 09-13-2019, 09:54 AM   #3
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My brother in law has one in his 2017 Silverado and has had no issues that I’ve heard of. Plenty of power to keep up with us.
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Old 09-13-2019, 10:02 AM   #4
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I have a 2012 GMC w/6.2l, but it has 3.42 gears. I believe the newer one's 3.23 is the only option. It's a beast and mileage towing is not too bad.

Safe and happy travels.
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Old 09-13-2019, 10:44 AM   #5
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Is this in a half ton or 3/4 ton?
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Old 09-13-2019, 10:47 AM   #6
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Is this in a half ton or 3/4 ton?
1/2 ton. 3/4 have the 6.0l.
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Old 09-13-2019, 10:52 AM   #7
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1/2 ton. 3/4 have the 6.0l.
Really... a 2019 3/4 ton GMC Denali SUV has a 6.0L engine? What am I missing?
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Old 09-13-2019, 11:01 AM   #8
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Really... a 2019 3/4 ton GMC Denali SUV has a 6.0L engine? What am I missing?
There is nothing in this thread that mentions an SUV.
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Old 09-13-2019, 11:04 AM   #9
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There is nothing in this thread that mentions an SUV.
You are 105% correct. My bad. I guess that's what I was missing. Sorry.
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Old 09-13-2019, 11:07 AM   #10
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You are 105% correct. My bad. I guess that's what I was missing. Sorry.
No worries, it's Friday and the weekend is upon us.
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Old 09-13-2019, 11:10 AM   #11
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You have to run premium gas
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Old 09-13-2019, 11:14 AM   #12
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Really... a 2019 3/4 ton GMC Denali SUV has a 6.0L engine? What am I missing?
I was gonna answer, but I figured you'd drive over and beat me with a stick.
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Old 09-13-2019, 11:15 AM   #13
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I was gonna answer, but I figured you'd drive over and beat me with a stick.
May anyway!!

Full moon, too!
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Old 09-13-2019, 11:18 AM   #14
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May anyway!!

Full moon, too!

And Friday the 13th!


Hmmm.

Good luck catching me. I gone.
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Old 09-13-2019, 11:46 AM   #15
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You have to run premium gas
X2 and very expensive! I had this engine and the gas costs were painful! Also, compare the tow rating for the 6.2 versus 5.3 engines.
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Old 09-13-2019, 11:53 AM   #16
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You have to run premium gas
Not necessarily true. Lower elevations, yes; higher elevations, no.

I live at about 5,5k feet and 86/87 runs just fine in my truck. As I'm going down the divided I will put in higher octane gas. Closer I get to sea level, it's definitely premium.
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Old 09-13-2019, 12:02 PM   #17
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I have a 2012 GMC w/6.2l, but it has 3.42 gears. I believe the newer one's 3.23 is the only option. It's a beast and mileage towing is not too bad.

Safe and happy travels.
Get the Max Tow package and you get 3.42 gearing.
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Old 09-13-2019, 12:10 PM   #18
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X2 and very expensive! I had this engine and the gas costs were painful! Also, compare the tow rating for the 6.2 versus 5.3 engines.
I have a 5.3 and it's painful pulling just 5000 lbs in the mountains. That's why my new truck will have the 6.2. As for premium gas, it's only 20 cents higher than regular here in Alaska.

I thought about the new Duramax, but my truck is my daily driver and there are short distances involved. Also, this being a new clean sheet design, 2020 owners are going to be the guinea pigs that help GM figure out what needs to be fixed in future years. There is also no Max Tow package available with the Duramax.
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Old 09-13-2019, 12:18 PM   #19
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Denali is the trim package

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Really... a 2019 3/4 ton GMC Denali SUV has a 6.0L engine? What am I missing?
Denali is the trim package. It's available on the SUV and the pickup. OP never said which he had.

DW has a 2006 GMC Denali which is the Yukon XL SUV. It has the 6.0L engine which is really the 5.3L engine with an overbore. (All the engine accessories and parts are identical.)
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Old 09-13-2019, 12:25 PM   #20
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May anyway!!

Full moon, too!
Friday the 13th Full Harvest Moon....we're all toast tonight.
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