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Old 09-24-2021, 12:21 PM   #1
austinmike
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Default 2021 Tahoe 5.3 vs diesel

Iím thinking of buying a new one any one got the diesel
I want a 4wd
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Old 09-24-2021, 12:33 PM   #2
WItoTX
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Gas. Everything is cheaper to maintain. Way more R&D in the 5.3 than the diesel.

You will still have the light bulb replacement issues on both.
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Old 09-24-2021, 12:46 PM   #3
Foxtrot
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Friend has one and my sister in law just ordered one.
Friends with it love it.
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Old 09-24-2021, 12:50 PM   #4
Mike D
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My son in law has a GMC 4x4 pickup with the diesel and it getting 27mpg in mixed driving.

Iím partial to diesels anyway so it would be an easy choice for me.


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Old 09-24-2021, 01:03 PM   #5
austinmike
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Problem is finding one there all sold as soon as they get to the lot
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Old 09-24-2021, 01:16 PM   #6
Palmetto
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Got a 2021 5.3 suburban. Will blow the doors off my 2012 5.3L.
We love it.
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Old 09-24-2021, 02:05 PM   #7
public
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Drive a 2021 Chevy 1500 crew cab(4X4)with the 3.0. Love the truck 28-30 MPG (hand calculated). If I can talk my wife into a Tahoe or Yukon for her next vehicle it will have the 3.0
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Old 09-24-2021, 05:08 PM   #8
mudkat
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they are having tons of problems with the gas engines right now they are eating vavletrain bunches not making 10000
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Old 09-24-2021, 05:34 PM   #9
Rubi513
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I personally wouldn’t buy a GM product at the moment, but if I had to, it would be the diesel.
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Old 09-24-2021, 07:54 PM   #10
Abcdj
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I have a 21' 3.0 duramax 4x4 and get 25.5 mpg on the highway going +5 in most cases.
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Old 09-24-2021, 08:04 PM   #11
JES
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We need got my wife the 2021 Tahoe with the Duramax. Really happy with it. I don’t think you can’t get the Z71 version with the Duramax in the Tahoe if I recall, but pretty sure you can get the 4x4. I was told this by one of the Chevy service department employees.
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Old 09-29-2021, 08:59 AM   #12
gingib
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Hauling alot and going offroad?
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Old 09-29-2021, 09:41 AM   #13
bsills
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We love ours
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Old 09-29-2021, 10:28 AM   #14
abilliott
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We were contemplating the diesel as well, I was told by the dealer that they still require DEF and still have to regen. Decided that the diesel wasn't for us simply because we make lots of short trips to and from the school as well as lots of time at idle while in line at the school picking the kiddos up.

She went with another 6.2l in her yukon xl and its still a beast like the previous 6.2 was but I have some complaints.

1. Worse mileage than the previous 6.2
2. Manual says use premium fuel... all while getting worse mileage
3. For some crazy reason despite worse mpg, they decreased the fuel tank so range suffers even more. SMH

I can't speak of the 5.3 but that is my take on the 6.2
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Old 09-29-2021, 10:31 AM   #15
WItoTX
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Quote:
Originally Posted by mudkat View Post
they are having tons of problems with the gas engines right now they are eating vavletrain bunches not making 10000
I had to Google it because their new active fuel management system was supposed to solve the valvetrain issues on the previous gen 5.3.

Clearly they still haven't fixed it LOL
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Old 09-29-2021, 11:27 AM   #16
canny
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Couple friends of mine have the 3.0L Duramax in the 1500s and they are super pleased. My wife and I have been looking at them and would love to swing one with the diesel but I doubt it will be in our ballpark financially.
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Old 09-29-2021, 11:54 AM   #17
CBHunter
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I gave up on the 5.3 a long time ago due to their constant issues...oil consumption, lifter noise, fuel pressure regulator, etc. And then there's the transmission...tow with a 5.3 and then with a Ford/Toyota/Dodge and you will notice a big difference. Granted, our family drives a lot and puts a lot of miles on a vehicle. So others that don't drive as much may not have the same issues, but they are well documented.
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Old 09-29-2021, 12:47 PM   #18
Mike D
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Quote:
Originally Posted by canny View Post
Couple friends of mine have the 3.0L Duramax in the 1500s and they are super pleased. My wife and I have been looking at them and would love to swing one with the diesel but I doubt it will be in our ballpark financially.

Itís actually not that large of an adder. If I recall itís the same amount as the 6.2L upgrade.


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Old 09-29-2021, 06:01 PM   #19
abilliott
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Quote:
Originally Posted by Mike D View Post
Itís actually not that large of an adder. If I recall itís the same amount as the 6.2L upgrade.


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If comparing it to the 6.2, I think it was actually almost 1k cheaper? That threw me for a loop but thatís what all the pricing I found said.


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