2021 GMC Sierra 2500

Compare GMC Sierra 2500 Models

  • Standard
  • Optional
  • Unavailable
Sierra 2500Pickup 2D 8 ft Regular Cab
Sierra 2500Pickup 4D 6 1/2 ft Extended Cab
Sierra 2500Pickup 4D 8 ft Extended Cab
Sierra 2500Pickup 4D 6 1/2 ft Crew Cab
Sierra 2500Pickup 4D 8 ft Crew Cab
Sierra 2500SLE Regular Cab
Sierra 2500SLE Extended Cab
Sierra 2500SLE Extended Cab
Sierra 2500SLT Extended Cab
Sierra 2500SLT Extended Cab
Sierra 2500SLE Crew Cab
Sierra 2500SLE Crew Cab
Sierra 2500SLT Crew Cab
Sierra 2500SLT Crew Cab
Sierra 2500AT4 Crew Cab
Sierra 2500AT4 Crew Cab
Sierra 2500Denali Crew Cab
Sierra 2500Denali Crew Cab
EngineV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 LiterV8, Turbo Diesel, 6.6 Liter
Bed Length86.586.5886.586.586.5886.56.586.58
Cab StyleRegularExtendedExtendedCrewCrewRegularExtendedExtendedExtendedExtendedCrewCrewCrewCrewCrewCrewCrewCrew
Adaptive Cruise Control
Cooled Seats
Keyless Ignition
Third Row Seat