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NRCan fuel consumption ratings

2020 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

The Canadian average is about 15,000 km.
Sets the default fuel and electricity prices.
¢ / L
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Fuel for a year

$4,154

2020 GMC Sierra · 13.4 L/100 km combined · 20,000 km a year in Ontario.

Per month
$346
Fuel burned
2,680 L
Tailpipe + grid CO₂
6,191 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 and its annual cost.
VersionEngineCombinedCost a year
Sierra2.7 L · A811.1 L/100 km$3,441
Sierra3 L · A109.1 L/100 km$2,821
Sierra4.3 L · A613.5 L/100 km$4,185
Sierra5.3 L · A613.9 L/100 km$4,309
Sierra5.3 L · A812.2 L/100 km$3,782
Sierra 4WD2.7 L · A811.7 L/100 km$3,627
Sierra 4WD3 L · A109.9 L/100 km$3,069
Sierra 4WD4.3 L · A614.1 L/100 km$4,371
Sierra 4WD5.3 L · A614.1 L/100 km$4,371
Sierra 4WD5.3 L · A813 L/100 km$4,030
Sierra 4WD5.3 L · A1012.7 L/100 km$3,937
Sierra 4WD6.2 L · A1013.9 L/100 km$4,309
Sierra 4WD AT43 L · A109.9 L/100 km$3,069
Sierra 4WD AT45.3 L · A615.1 L/100 km$4,681
Sierra 4WD AT45.3 L · A813.4 L/100 km$4,154
Sierra 4WD AT45.3 L · A1013.1 L/100 km$4,061
Sierra 4WD AT46.2 L · A1014.2 L/100 km$4,402
Sierra 4WD FFV5.3 L · A614.7 L/100 km$4,557
Sierra 4WD FFV5.3 L · A619.5 L/100 km$6,045
Sierra FFV5.3 L · A614.4 L/100 km$4,464
Sierra FFV5.3 L · A619.5 L/100 km$6,045
Sierra WT2.7 L · A811.7 L/100 km$3,627
Sierra WT 4WD2.7 L · A812 L/100 km$3,720

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Source: NRCan — Fuel consumption ratings; Provincial price table. Data current as of 2026-08-10. 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.