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re: Newer model Silverado and GMC Sierra Denali owners 2020-2021

Posted on 1/23/21 at 6:37 pm to
Posted by LSUJay13
South Louisiana
Member since May 2008
543 posts
Posted on 1/23/21 at 6:37 pm to
2020 GMC AT4 with 10 speed and 3.0L Dmax... Great power and most of time you can't tell it is even shifting. 6th GM truck and definitely the best one yet. Would recommend.
Posted by greenbean
USAF Retired
Member since Feb 2019
4661 posts
Posted on 1/24/21 at 3:25 pm to
quote:

Toyota is an excellent product, I've owned a few in my lifetime

...but the Tundra isn't that nice looking, haven't changed much in 7 8 years


The body/engine hasn't really changed much since 2007. I think that is why they run so long trouble free. They'll pass everything on the highway, but a gas station...
This post was edited on 1/24/21 at 3:26 pm
Posted by member12
Bob's Country Bunker
Member since May 2008
32121 posts
Posted on 1/24/21 at 3:40 pm to
They have a TSB on the fluid in the 8 speed. It causes all kinds of issues.

10 speed is rock solid.
Posted by antibarner
Member since Oct 2009
23755 posts
Posted on 1/24/21 at 4:03 pm to
2020 Colorado with the 6 cylinder 8 speed...when you start out in the AM its like it slips hard shifting from first to second when cold..took it to the dealer and they had a bulletin saying pause for a couple of seconds before you start out..and it helped tremendously.

I'm still not easy with this I wonder if anyone else has had this experience. I won't be shocked if there's a recall down the line I notice a bit of a hard shift here and there.
This post was edited on 1/24/21 at 4:06 pm
Posted by BoogaBear
Member since Jul 2013
5611 posts
Posted on 1/24/21 at 4:18 pm to
Have a 2020 ram and a 2021 tahoe, the ram is definitely smoother shifting in general but the tahoe is smoother in the low gears climbing a hill.
This post was edited on 1/24/21 at 4:22 pm
Posted by Grievous Angel
Tuscaloosa, AL
Member since Dec 2008
9709 posts
Posted on 1/24/21 at 5:53 pm to
quote:


A Denali isn't a truck truck...


You said it!
Posted by ApexTiger
cary nc
Member since Oct 2003
53778 posts
Posted on 1/24/21 at 6:28 pm to
quote:

A Denali isn't a truck truck...


You said it!



It's not one you want treat like a Ford....that I can tell you
Posted by ApexTiger
cary nc
Member since Oct 2003
53778 posts
Posted on 1/24/21 at 6:29 pm to
quote:

2020 Colorado with the 6 cylinder 8 speed...when you start out in the AM its like it slips hard shifting from first to second when cold..took it to the dealer and they had a bulletin saying pause for a couple of seconds before you start out..and it helped tremendously.

I'm still not easy with this I wonder if anyone else has had this experience. I won't be shocked if there's a recall down the line I notice a bit of a hard shift here and there.




Feel free to jump in this thread
Posted by ApexTiger
cary nc
Member since Oct 2003
53778 posts
Posted on 1/24/21 at 6:31 pm to
quote:

10 speed is rock solid.


this is good to know!

I really like the interior of the 18 models...

new body style growing on me...

I will likely have to live with this 8speed, not being ideal...

and wait for the next generation to come out... I think GM missed it on the newer models inside and outside
Posted by windmill
Prairieville, La
Member since Dec 2005
7023 posts
Posted on 1/24/21 at 7:08 pm to
a luxury truck shouldn't shift harsh...it bothers me greatly "

well,now we can't be havin' that.
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