Used GMC Sierra Denali 2500 engines & transmissions

We list 26 used engines and 15 used transmissions for the GMC Sierra Denali 2500, covering 14 model years from 2011–2024, with 38 ready to ship. Engine sizes: 6.0L and 6.6L. Transmissions: automatic. Drivetrain: 4WD.

Prices start at engines from $2,399 and transmissions from $1,370, with a 3-month warranty included. Each unit is checked against your VIN before it ships.

GMC Sierra Denali 2500 by year

Choose your model year to compare every engine and transmission option.

Year	Engines	Transmissions
2024 Sierra Denali 2500	2 options · from $5,749	2 options · from $4,150	View
2023 Sierra Denali 2500	2 options · from $4,660	3 options · from $4,150	View
2022 Sierra Denali 2500	2 options · from $4,660	3 options · from $4,150	View
2021 Sierra Denali 2500	2 options · from $4,660	3 options · from $4,150	View
2020 Sierra Denali 2500	—	3 options · from $4,150	View
2019 Sierra Denali 2500	2 options · from $2,399	—	View
2018 Sierra Denali 2500	2 options · from $2,399	—	View
2017 Sierra Denali 2500	2 options · from $2,399	—	View
2016 Sierra Denali 2500	2 options · from $2,399	—	View
2015 Sierra Denali 2500	2 options · from $2,399	—	View
2014 Sierra Denali 2500	2 options · from $2,399	1 option · from $1,370	View
2013 Sierra Denali 2500	2 options · from $2,399	—	View
2012 Sierra Denali 2500	2 options · from $2,399	—	View
2011 Sierra Denali 2500	2 options · from $2,399	—	View