Is it worth repairing or replacing the transmission on a 2020 GMC Sierra Denali?

As a general rule of thumb, a transmission replacement on a 2020 GMC Sierra Denali (full-size truck segment, vehicle value roughly $14,935–$19,009) is usually worth it when the installed cost stays under about $7,637 — roughly 45% of what the vehicle is worth.

2020 GMC Sierra Denali Transmissions

Remanufactured transmissions that fit the 2020 GMC Sierra Denali. Each unit below is matched to this vehicle, warranty-backed, and shipped with freight quoted at checkout from Peak Powertrain.

Available Transmissions (1)

Used Transmission
Price
$4,761.00
Engine:
6.6L
Mileage:
113,000
Condition:
used

Other GMC Sierra Denali Years

2023(3)
2020(1)
2019(2)
2018(7)
2017(7)
2016(3)
2015(2)
2014(2)
2013(3)
2012(3)
2011(4)
2010(1)
2009(2)
2008(1)

2020 GMC Sierra Denali Transmissions

Available Transmissions (1)

Used Transmission

Other GMC Sierra Denali Years

2020 GMC Sierra Denali Transmission Market Context

Is replacing the transmission worth it?

Frequently Asked Questions