2026
3 engine options
GMC Sierra 1500
37 generations · 95 engine options · data across all years of the Sierra 1500 platform.
53,717
Labor times
387,955
Torque specs
64,049
DTC codes
0
Repair procedures
777
Fluid specs
60
Open recalls
5-Year Cost of Ownership · 2026 3.0L I6 Duramax Diesel
$9,218
~$1,844/yr maintenance labor at $150/hr. Other engines/years vary — pick a generation below to see its breakdown.
Generations & engine options
2025
3 engine options
2024
3 engine options
2023
3 engine options
2022
3 engine options
2021
3 engine options
2020
3 engine options
2019
3 engine options
2018
1 engine option
5.3L V8
2017
1 engine option
5.3L V8
2016
1 engine option
5.3L V8
2015
1 engine option
5.3L V8
2014
1 engine option
5.3L V8
2013
1 engine option
5.3L V8
2012
1 engine option
5.3L V8
2011
1 engine option
5.3L V8
2010
1 engine option
5.3L V8
2009
1 engine option
5.3L V8
2008
1 engine option
5.3L V8
2007
1 engine option
5.3L V8
2006
4 engine options
2005
4 engine options
2004
4 engine options
2003
4 engine options
2002
4 engine options
2001
3 engine options
2000
3 engine options
1999
3 engine options
1998
4 engine options
1997
4 engine options
1996
4 engine options
1995
3 engine options
1994
3 engine options
1993
3 engine options
1992
3 engine options
1991
3 engine options
1990
3 engine options
Become a Founding Sponsor
Your name on every GMC Sierra 1500 procedure
For $99, we generate the full step-by-step repair set for the 2026 3.0L I6 Duramax Diesel — free for everyone, forever, with your name on it.