Crash-test ratings
No numeric crash-test rating is available here
OEM safety equipment and independent crash-test ratings stay separate.
Change vehicle
VEHICLE GUIDE
2021 GMC Sierra 2500hd
Get the important 2021 GMC Sierra 2500hd differences in one clear guide.
Compare 3 known trims and ownership for this model year, then open the exact trim and configuration when you want the details that change from one version to another.
3KNOWN TRIMS
Finding the best available vehicle image…
2021 model-year guide3KNOWN TRIMS
SPECS
Choose the exact version. See only what applies.
Move from trim to powertrain to drivetrain to configuration. AutoUnite keeps configuration-scoped facts attached to the version that supports them.
Driver assistance
Driver-assistance data is not available for this configuration yet