Trail Boss or AT4

16,029 Views | 94 Replies | Last: 2 mo ago by NTXAggie14
Enviroag02
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In reply to 07fta07 • 2:50p, 1/21/21
AG
07fta07 said:
I have a '19 AT4 with the 6.2. Love the truck. The only issues I've had with it was the rear window leak (It was small and they resealed it and it's been good since) and then the leaf spring inserts had to be replaced. Lots of power and a very good ride and surprisingly decent fuel economy.

My window was resealed as well and no problems since. I love my truck as well. Just got a Truxedo Sentry CT tonneau on it, and I'm diggin it.
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mm98
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In reply to Bwp1140 • 6:35p, 1/21/21
AG
Bwp1140 said:
Why is 5.3 so bad? Sorry once again I don't know much.


I've got it and with the 8sp it's really nice. I'm sure the 6.2 is more fun but I've never felt I needed more power with the 5.3
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Silvy
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In reply to mm98 • 6:51p, 1/21/21
AG
You're really missing out
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Woods Ag
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In reply to Crazy Ag 97 • 7:42p, 1/21/21
AG
I must have a lead foot. I get 17ish with the 2020 AT4 6.2

Love it though. Premium fuel is the only downside. And with the new administration that may start to hurt
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crowman2010
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7:22a, 1/22/21
AG
I'm buying a 2021 Sierra 1500 AT4 6.2L today!
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Bwp1140
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In reply to crowman2010 • 8:48a, 1/22/21
AG
Congrats! What color did you go with?
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crowman2010
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In reply to Bwp1140 • 9:09a, 1/22/21
AG
Bwp1140 said:
Congrats! What color did you go with?
Black of course. Its 2021, I'm not racist.
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crowman2010
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9:10a, 1/22/21
AG
I also have a black Navigator and a black Sonata...
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Bwp1140
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In reply to crowman2010 • 9:10a, 1/22/21
aggieforester05
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In reply to crowman2010 • 9:30a, 1/22/21
AG
T&P for you every time it rains. I dealt with that **** for 21 years now and I'm done with purchasing black vehicles.
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crowman2010
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In reply to aggieforester05 • 9:41a, 1/22/21
AG
aggieforester05 said:
T&P for you every time it rains. I dealt with that **** for 21 years now and I'm done with purchasing black vehicles.
Bro...do you even graphene coat?

Black cars + Graphene + JJ's carwash membership = prettiest vehicles on the road
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BNM20
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12:43p, 1/22/21
I bought a black at4 3 weeks ago. Tell me more about graphene!
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crowman2010
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In reply to BNM20 • 1:15p, 1/22/21
AG
BNM20 said:
I bought a black at4 3 weeks ago. Tell me more about graphene!
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AgGrad99
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9:34p, 1/23/21
AG
Anyone have a recommendation for someone good in Austin that'll polish out swirls and do coating? I don't have the patience to do it right myself.
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el_scorcho
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11:06p, 1/24/21
AG
After reading this thread I'm hearing:

5.3 in a 1/2 ton is underpowered and gutless
** 5.3-liter V8 with 355 horsepower and 383 pound-feet of torque paired to 8 speed transmission

How is this underpowered and gutless? I get that shift points and transmission programming can be less than ideal, but come on. Sure, the 6.2 with the 10 speed is awesome, but making it sound like the 6.2 and diesel are the only worthwhile choices is stupid.

Also, the bragging about fuel economy on here is dumb. You don't get 30 mpg in your diesel.
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tk for tu juan
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11:08p, 1/24/21
You can get the 10 speed with the 5.3L.
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GentrysMillTX10
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5:24a, 1/25/21
AG
I vote AT4 with a 3.0 diesel.

I have a 2020 Chevy Z71 with the 3.0. Best tank hand calculated was 27.8mpg. Lifetime avg is 25.5mpg. I have an app to calculate all of this data. Absolutely love the 10 speed with the 3.0....but next time will buy an AT4 with the 3.0


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Silvy
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In reply to el_scorcho • 8:13a, 1/25/21
AG
el_scorcho said:
How is this underpowered and gutless? I get that shift points and transmission programming can be less than ideal

I'd say the transmission programming is what makes it so gutless or are you just going to go WOT everywhere? If you want to make the driving experience less miserable, it's about $1400 to get a ECM that can be recalibrated then the $500-600 to pay a shop for the tune itself.
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txagfisher
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In reply to el_scorcho • 2:04p, 1/25/21
AG
el_scorcho said:
After reading this thread I'm hearing:

5.3 in a 1/2 ton is underpowered and gutless
** 5.3-liter V8 with 355 horsepower and 383 pound-feet of torque paired to 8 speed transmission

How is this underpowered and gutless? I get that shift points and transmission programming can be less than ideal, but come on. Sure, the 6.2 with the 10 speed is awesome, but making it sound like the 6.2 and diesel are the only worthwhile choices is stupid.

Also, the bragging about fuel economy on here is dumb. You don't get 30 mpg in your diesel.
I just bought a 21 AT4 with the 5.3/10 speed. its perfectly fine for what I do with it. Didnt want to pay for premium fuel.
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crowman2010
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In reply to txagfisher • 2:36p, 1/25/21
AG
txagfisher said:
el_scorcho said:
After reading this thread I'm hearing:

5.3 in a 1/2 ton is underpowered and gutless
** 5.3-liter V8 with 355 horsepower and 383 pound-feet of torque paired to 8 speed transmission

How is this underpowered and gutless? I get that shift points and transmission programming can be less than ideal, but come on. Sure, the 6.2 with the 10 speed is awesome, but making it sound like the 6.2 and diesel are the only worthwhile choices is stupid.

Also, the bragging about fuel economy on here is dumb. You don't get 30 mpg in your diesel.
I just bought a 21 AT4 with the 5.3/10 speed. its perfectly fine for what I do with it. Didnt want to pay for premium fuel.
You don't have to pay for premium fuel...HTH
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aggieforester05
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In reply to crowman2010 • 4:30p, 1/25/21
AG
My old man runs regular in his 6.2L and I run premium in mine, but his seems fine. Premium is worth it to me for the full power and efficiency of the 6.2L, but everyone's priorities are different.
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07fta07
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In reply to aggieforester05 • 6:13p, 1/25/21
AG
I run premium in mine. Don't see why you'd get the 6.2 then shortchange it.
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crowman2010
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In reply to 07fta07 • 6:32p, 1/25/21
AG
I just meant you don't have to...its not required
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Bob Lee
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In reply to AggieChemist • 8:00p, 1/25/21
AG
AggieChemist said:
Wouldn't that gif be more appropriate for the guys in lifted 3/4 ton diesel brodozers that don't haul anything heavier than their fat girlfriends?


Leave me out of this. I haven't done anything to you!
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SCHTICK00
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8:50p, 1/25/21
AG
We have the 6.2l in our boat and run premium. It sure likes the gas.
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ILikeTacos
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In reply to aggieforester05 • 9:23p, 1/25/21
AG
aggieforester05 said:
My old man runs regular in his 6.2L and I run premium in mine, but his seems fine. Premium is worth it to me for the full power and efficiency of the 6.2L, but everyone's priorities are different.


Honest question, since when can engines determine octane content to achieve "full power" out of a change in gasoline? Are you stating that the engine can read that you have put premium in the motor and can adjust timing based on that?
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Bob Lee
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In reply to ILikeTacos • 9:33p, 1/25/21
AG
ILikeTacos said:
aggieforester05 said:
My old man runs regular in his 6.2L and I run premium in mine, but his seems fine. Premium is worth it to me for the full power and efficiency of the 6.2L, but everyone's priorities are different.


Honest question, since when can engines determine octane content to achieve "full power" out of a change in gasoline? Are you stating that the engine can read that you have put premium in the motor and can adjust timing based on that?


I don't know the answer to your question, but if the owner's manual says to run 91 octane or higher, imma run 91 octane or higher.
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Bwp1140
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In reply to Bob Lee • 9:40p, 1/25/21
AG
Especially in a 60k truck ha
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aggieforester05
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In reply to ILikeTacos • 10:14p, 1/25/21
AG
ILikeTacos said:
aggieforester05 said:
My old man runs regular in his 6.2L and I run premium in mine, but his seems fine. Premium is worth it to me for the full power and efficiency of the 6.2L, but everyone's priorities are different.

Honest question, since when can engines determine octane content to achieve "full power" out of a change in gasoline? Are you stating that the engine can read that you have put premium in the motor and can adjust timing based on that?

The knock sensors adjust timing to compensate for lower quality fuel when they detect knock. I'm not crazy about that but supposedly they're designed for it and can handle it. Not worth it to me. GM claims that you only get full power with premium fuel. I like power more than I like fuel, but it should get better fuel economy with premium since it can burn the fuel more efficiently.
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Enviroag02
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10:30p, 1/25/21
AG
If the 6.2 wasn't available the 5.3 wouldn't be called gutless. It's a proven perfectly fine engine.
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SCHTICK00
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In reply to ILikeTacos • 10:56p, 1/25/21
AG
ILikeTacos said:
aggieforester05 said:
My old man runs regular in his 6.2L and I run premium in mine, but his seems fine. Premium is worth it to me for the full power and efficiency of the 6.2L, but everyone's priorities are different.




Honest question, since when can engines determine octane content to achieve "full power" out of a change in gasoline? Are you stating that the engine can read that you have put premium in the motor and can adjust timing based on that?


Octane = knock or detonation resistance. There are multiple, 3 I think, versions of the 6.2, all with different compression ratios. The higher the compression ratio the more likely you'll get detonation. Knock sensors will adjust timing to eliminate detonation caused by low octane fuel and thus put out less power.
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Silvy
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In reply to Enviroag02 • 8:04a, 1/26/21
AG
Enviroag02 said:
If the 6.2 wasn't available the 5.3 wouldn't be called gutless. It's a proven perfectly fine engine.
In stock form, I'd still call it gutless. It pains me to say that any 5.0 or boooooost will curb stomp a 5.3.
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Mookie
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8:12a, 1/26/21
AG
Sorry, you all lost me when you mentioned premium fuel in a pick up truck.
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Silvy
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In reply to Mookie • 9:15a, 1/26/21
AG
Flagged for hyper negativity
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Mookie
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In reply to Silvy • 9:17a, 1/26/21
AG
Flagged for False Information
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