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NRCan fuel consumption ratings

2020 GMC Sierra HD — 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

$3,375

2020 GMC Sierra HD · 13.4 L/100 km combined · 16,249 km a year in Ontario.

Per month
$281
Fuel burned
2,177 L
Tailpipe + grid CO₂
5,030 kg

All 23 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 2020 GMC Sierra HD and its annual cost.
VersionEngineCombinedCost a year
Sierra2.7 L · A811.1 L/100 km$2,796
Sierra3 L · A109.1 L/100 km$2,292
Sierra4.3 L · A613.5 L/100 km$3,400
Sierra5.3 L · A613.9 L/100 km$3,501
Sierra5.3 L · A812.2 L/100 km$3,073
Sierra 4WD2.7 L · A811.7 L/100 km$2,947
Sierra 4WD3 L · A109.9 L/100 km$2,493
Sierra 4WD4.3 L · A614.1 L/100 km$3,551
Sierra 4WD5.3 L · A614.1 L/100 km$3,551
Sierra 4WD5.3 L · A813 L/100 km$3,274
Sierra 4WD5.3 L · A1012.7 L/100 km$3,199
Sierra 4WD6.2 L · A1013.9 L/100 km$3,501
Sierra 4WD AT43 L · A109.9 L/100 km$2,493
Sierra 4WD AT45.3 L · A615.1 L/100 km$3,803
Sierra 4WD AT45.3 L · A813.4 L/100 km$3,375
Sierra 4WD AT45.3 L · A1013.1 L/100 km$3,299
Sierra 4WD AT46.2 L · A1014.2 L/100 km$3,576
Sierra 4WD FFV5.3 L · A614.7 L/100 km$3,702
Sierra 4WD FFV5.3 L · A619.5 L/100 km$4,911
Sierra FFV5.3 L · A614.4 L/100 km$3,627
Sierra FFV5.3 L · A619.5 L/100 km$4,911
Sierra WT2.7 L · A811.7 L/100 km$2,947
Sierra WT 4WD2.7 L · A812 L/100 km$3,022

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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.