Cars · GMC · GMC Sierra 4WD At4

2021 GMC Sierra 4WD At4

17 specifications · 6 categories ·2 sources · US market · all years → · 2021 GMC lineup →

Engine

Displacement6,200 cc378 cu inS9
Cylinders8S7
FuelRegular GasolineS7
Engine familyMGMXT06.2377S9
ConfigurationDieselS7

Fuel economy

Combined13.8 l/100km17.0 mpgS7
Urban15.7 l/100km15.0 mpgS7
Extra-urban11.2 l/100km21.0 mpgS7

Emissions

CO2325 g/kmS7
Emission standardL3ULEV125S9

Transmission and drive

TransmissionAutomatic 10-spdS7
Gears10S9
Drive4-Wheel DriveS7

Dimensions and weight

Kerb weight2,485.7 kg5,480 lbS9
Gross weight3,175.1 kg7,000 lbS9

Body and chassis

Vehicle typeLDT3 (ALVW 3751-5750, LVW 0-3750, GVW > 6000)S9
EPA size classStandard Pickup Trucks 4WDS7

Calculated

Derived from the figures above, not taken from a source.

Fuel per 15,000 km2,076 litrescalc
Per cylinder775 cccalc
Fuel cost per year$2,456calc
Cost per 100 km$16.37calc

Versions

VersionDisplacementTransmissionCombinedCO2
GMC Sierra 4WD At4 3.0l Automatic 10-Spd3,000 ccAutomatic 10-spd9.8 l/100km267.2 g/km
GMC Sierra 4WD At4 5.3l Automatic 10-Spd5,300 ccAutomatic 10-spd13.8 l/100km325 g/km
GMC Sierra 4WD At4 5.3l Automatic 6-Spd5,300 ccAutomatic 6-spd14.7 l/100km337.4 g/km
GMC Sierra 4WD At4 5.3l Automatic 8-Spd5,300 ccAutomatic 8-spd14.7 l/100km342.4 g/km
GMC Sierra 4WD At4 6.2l Automatic 10-Spd6,200 ccAutomatic 10-spd14.7 l/100km344.9 g/km

Sources

  • S7 FuelEconomy.gov PD-USGov
  • S9 EPA Light-Duty Test Data PD-USGov

Every figure on this page comes from one of these datasets. Verify against manufacturer documentation before relying on it for repair or purchase decisions.

Calculators for the 2021 GMC Sierra 4WD At4

Fuel economy and trip costFuel economy unit converter · Trip fuel and cost · Annual savings from better economyOpens with this vehicle’s figures filled inPower-to-weightPower-to-weight ratio · Torque-to-weight ratio · Power needed for a target ratioOpens with this vehicle’s figures filled inTotal cost of ownershipTotal cost of ownership · Yearly depreciation rate · Projected future valueVehicle loanMonthly payment and total interest · Loan with a balloon payment · How much can I borrow?Tyre sizeTyre dimensions from the size code · Compare two tyre sizes · Speedometer error after a tyre changeBraking and stopping distanceStopping distance · Brake energy and disc temperature rise · Deceleration from a measured stop

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