Standard equipment
- Adaptive cruise control
Change vehicle
VEHICLE GUIDE
2026 GMC Sierra 2500hd AT4X
A PICKUP with gas powertrain and 4WD availability.
2026 GMC Sierra 2500hd is a PICKUP with gas powertrain. 2026 GMC Sierra 2500hd offers 4WD; the exact drivetrain can change efficiency or capability, so the version matters.
7KNOWN TRIMS
GasPOWERTRAINS
$50,700LOWEST PUBLISHED MSRP
17HIGHEST DOCUMENTED COMBINED MPG
2026 model-year guide7KNOWN TRIMS
GasPOWERTRAINS
$50,700LOWEST PUBLISHED MSRP
17HIGHEST DOCUMENTED COMBINED MPG
TRIM DETAIL
AT4X
See the defining facts for this trim, then choose an exact configuration.
BodyTruck
PowertrainNot yet verified
DrivetrainNot yet verified
CONFIGURATION
Choose the exact configuration
Specs and capability can change below the trim level.
No exact configuration is available for this trim yet
Verified facts available for this trim
These facts are source-backed for this trim. What applies can still vary by exact configuration.