2019 GMC Sierra 1500 transmission

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Thread: 2019 GMC Sierra 1500 transmission

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    2019 GMC Sierra 1500 transmission

    Does anybody own or know if the 2019 Sierra SLT 1500 crew cabs have a upgraded 8 speed transmission? I am thinking about trading in my 2016 with the 8 speed transmission but don't want the troubles that are associated with this series trans. I am happy so far with the 10 speed trans in my 2019 Yukon. It shifts really smooth and I am hoping that the 8 speed in the SLT Sierra shifts as nice and doesn't have the problems of the earlier 8 speed trans. Thanks

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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by johnnyo View Post
    Does anybody own or know if the 2019 Sierra SLT 1500 crew cabs have a upgraded 8 speed transmission? I am thinking about trading in my 2016 with the 8 speed transmission but don't want the troubles that are associated with this series trans. I am happy so far with the 10 speed trans in my 2019 Yukon. It shifts really smooth and I am hoping that the 8 speed in the SLT Sierra shifts as nice and doesn't have the problems of the earlier 8 speed trans. Thanks
    Get the 10 speed

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    Re: 2019 GMC Sierra 1500 transmission

    I don't think you can get the 10 speed with the 5.3 motor in the SLT.

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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by johnnyo View Post
    Does anybody own or know if the 2019 Sierra SLT 1500 crew cabs have a upgraded 8 speed transmission? I am thinking about trading in my 2016 with the 8 speed transmission but don't want the troubles that are associated with this series trans. I am happy so far with the 10 speed trans in my 2019 Yukon. It shifts really smooth and I am hoping that the 8 speed in the SLT Sierra shifts as nice and doesn't have the problems of the earlier 8 speed trans. Thanks
    Let me get this straight.....................

    1) You have the 8-Speed, and you don't like it.
    2) You have the 10-Speed, (an all-new design, in-part by/with Ford) and you like it.
    3) You want to buy another 8-Speed, and hopes that'll it shift like the 10-Speed.

    Are you serious?
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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by Ed753 View Post
    Let me get this straight.....................

    1) You have the 8-Speed, and you don't like it.
    2) You have the 10-Speed, (an all-new design, in-part by/with Ford) and you like it.
    3) You want to buy another 8-Speed, and hopes that'll it shift like the 10-Speed.

    Are you serious?
    some people can NOT AFFORD the PRICE GM wants for the 10 speed + the 6.2 fuel econ hit

    I will add my friends ford wityh the 10 speed is flawless in shifting just like my ZF8 in my RAM

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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by richmond2000 View Post
    some people can NOT AFFORD the PRICE GM wants for the 10 speed + the 6.2 fuel econ hit
    I doubt money is the issue, since the 10-speed is only available on the top trim Tahoe, Yukon, Suburban and Yukon XL. Perhaps he doesn't want top trims, since he is referring to an SLT. Maybe he will expand on his post.
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    Re: 2019 GMC Sierra 1500 transmission

    There are no issues with the 8 speed.

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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by johnnyo View Post
    Does anybody own or know if the 2019 Sierra SLT 1500 crew cabs have a upgraded 8 speed transmission? I am thinking about trading in my 2016 with the 8 speed transmission but don't want the troubles that are associated with this series trans. I am happy so far with the 10 speed trans in my 2019 Yukon. It shifts really smooth and I am hoping that the 8 speed in the SLT Sierra shifts as nice and doesn't have the problems of the earlier 8 speed trans. Thanks
    Have you had any problems with your 8 speed?

    I have a 2015 with the 8 speed and the only problem I've had is with the torque converter going out at ~47k miles. The replacement unit was a new part with a new part number. Been great otherwise.

    Most of the problems I've heard about are associated with the earlier (2015-2016) units. There's no way they're going to completely redesign a transmission this soon. They're just rolling out upgrades as required.
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    Re: 2019 GMC Sierra 1500 transmission

    Yeah! Im serious Eddie-I want to buy a SLT with the 8 speed because I have heard that they improved the 8 speed transmission. I would like to have the 5.3 motor and as far as I know-they don't offer the 10 speed with that motor. I asked a simple question and wanted to know if they made any improvements to the 2019 8 speed transmissions. Either you know or you don't!

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    Re: 2019 GMC Sierra 1500 transmission

    Maybe just get the 5.3 with the 6-speed......?

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    Re: 2019 GMC Sierra 1500 transmission

    Quote Originally Posted by johnnyo View Post
    Yeah! Im serious Eddie-I want to buy a SLT with the 8 speed because I have heard that they improved the 8 speed transmission. I would like to have the 5.3 motor and as far as I know-they don't offer the 10 speed with that motor. I asked a simple question and wanted to know if they made any improvements to the 2019 8 speed transmissions. Either you know or you don't!
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    Re: 2019 GMC Sierra 1500 transmission

    My 2018 Silverado with 8 speed is doing well. I also had an 8 speed in my 17 Yukon XL Denali. It towed a 30’ travel trailer from OH to WY and back like a champ. My 2019 Graphite Yukon XL has the ten speed and shifts smooth. I’d say the only difference I’ve noticed is the 8 speed seems to hold a lower gear when decelerating, as in keeps the rpm a bit higher, using the drive train to help decelerate. Could be just perception but both are great transmissions in my book.
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