Cars · GMC · GMC Sierra 4WD

2026 GMC Sierra 4WD

16 specifications · 6 categories ·2 sources · US market · all years → · 2026 GMC lineup →

Gmc Sierra 4wd
MercurySable99 ·CC-BY-SA-4.0 · Illustrative image of the model, not necessarily this exact version

Engine

Displacement6,200 cc378 cu inS9
Cylinders8S7
FuelRegular GasolineS7
Engine familyTGMXT06.2375S9

Fuel economy

Combined14.7 l/100km16.0 mpgS7
Urban15.7 l/100km15.0 mpgS7
Extra-urban13.1 l/100km18.0 mpgS7

Emissions

CO2341.8 g/kmS7
Emission standardL4ULEV50S9

Transmission and drive

TransmissionAutomatic 10-spdS7
Gears10S9
Drive4-Wheel DriveS7

Dimensions and weight

Kerb weight2,815 kg6,206 lbS9
Gross weight3,492.7 kg7,700 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 km2,205 litrescalc
Per cylinder775 cccalc
Fuel cost per year$2,609calc
Cost per 100 km$17.39calc

Versions

VersionDisplacementTransmissionCombinedCO2
GMC Sierra 4WD 2.7l Automatic 8-Spd2,700 ccAutomatic 8-spd13.1 l/100km305.1 g/km
GMC Sierra 4WD 5.3l Automatic 10-Spd5,300 ccAutomatic 10-spd14.7 l/100km341.8 g/km
GMC Sierra 4WD 6.2l Automatic 10-Spd6,200 ccAutomatic 10-spd14.7 l/100km334.9 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 2026 GMC Sierra 4WD

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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