Efficiency / Range
- Fuel
- Gas
- City
- 16 MPG
- Highway
- 20 MPG
- Combined
- 18 MPG
- Annual fuel cost
- $3,450
- CO₂
- 496 g/mi
Change vehicle
VEHICLE GUIDE
2023 GMC Sierra 2500hd
A PICKUP with gas powertrain and 4WD and RWD availability.
2023 GMC Sierra 2500hd is a PICKUP with gas powertrain. 2023 GMC Sierra 2500hd offers 4WD and RWD; the exact drivetrain can change efficiency or capability, so the version matters.
3KNOWN TRIMS
GasPOWERTRAINS
18HIGHEST DOCUMENTED COMBINED MPG
4WD + RWDDRIVETRAINS
2023 model-year guide3KNOWN TRIMS
GasPOWERTRAINS
18HIGHEST DOCUMENTED COMBINED MPG
4WD + RWDDRIVETRAINS
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.