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NRCan fuel consumption ratings

2025 GMC Sierra — what a year of fuel costs

Official consumption ratings, your kilometres, your pump price. No sign-up, and every number is editable.

Your vehicle

It is on your insurance slip, your registration, and the driver-side dashboard.

Your driving

Pre-filled with the last Canadian average Statistics Canada published: 16,249 km, for 2009. Change it to your own.
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¢ / L
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Fuel for a year

$3,425

2025 GMC Sierra · 13.6 L/100 km combined · 16,249 km a year in Ontario.

Per month
$285
Fuel burned
2,210 L
Tailpipe + grid CO₂
5,105 kg

All 16 rated versions

NRCan rates each engine and transmission separately. The figure above uses the median one, so a single halo trim cannot skew it.

Every rated version of the 2025 GMC Sierra and its annual cost.
VersionEngineCombinedCost a year
Sierra2.7 L · A812.5 L/100 km$3,148
Sierra3 L · A109.3 L/100 km$2,342
Sierra5.3 L · A1013.5 L/100 km$3,400
Sierra 4WD2.7 L · A813.5 L/100 km$3,400
Sierra 4WD3 L · A109.9 L/100 km$2,493
Sierra 4WD5.3 L · A1014.2 L/100 km$3,576
Sierra 4WD6.2 L · A1014.3 L/100 km$3,602
Sierra 4WD (With Sport Mode)2.7 L · A813.6 L/100 km$3,425
Sierra 4WD AT4X3 L · A1012.1 L/100 km$3,047
Sierra 4WD AT4X6.2 L · A1016 L/100 km$4,030
Sierra 4WD FFV5.3 L · A1013.9 L/100 km$3,501
Sierra 4WD FFV5.3 L · A1019.2 L/100 km$4,836
Sierra 4WD Mud Terrain Tire2.7 L · A814.3 L/100 km$3,602
Sierra 4WD Mud Terrain Tire3 L · A1010.6 L/100 km$2,670
Sierra 4WD Mud Terrain Tire5.3 L · A1014.6 L/100 km$3,677
Sierra 4WD Mud Terrain Tire6.2 L · A1015.7 L/100 km$3,954

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Source: NRCan — Fuel consumption ratings; StatCan 18-10-0001-01 — monthly retail fuel prices by city. Data current as of 2026-08-12. Consumption figures are NRCan’s published ratings. Prices are annual provincial averages, hand-maintained and marked as estimates — Hand-maintained annual averages, not a live feed. Electricity is all-in residential (energy + delivery + regulatory riders); gasoline is regular grade. Override them with your own numbers in any tool. Grid intensities are CER’s 2022 figures, one citation per jurisdiction.