GMC Sierra FFV 2021 running costs in Canada
Official Natural Resources Canada (NRCan) figure for the 2021 GMC Sierra FFV: 14.5 L/100km, 340 g/km CO₂. At Canada prices (CA$1.75/L petrol), driving 15,000 km a year costs about CA$3,806 — CA$0.25 per kilometre.
Official figures — 2021 GMC Sierra FFV
| Fuel type | Petrol |
|---|---|
| Official consumption | 14.5 L/100km |
| CO₂ (official) | 340 g/km |
| Configurations in source data | 1 |
| Data source | Natural Resources Canada (NRCan) |
What it costs to run in Canada
| Petrol (14.5 L/100km) | CA$3,806/year |
|---|---|
| safety inspection | CA$0.00/year |
| Estimated annual running cost | CA$3,806/year ≈ CA$317/month |
Assumes 15,000 km a year and the current average Canada prices shown above (CAA national average, Sep 2026 (174.9c)). Insurance is not included because it depends on your age, history and the policy — add it in the full ownership calculator. Servicing, tyres and repairs also vary by car and driver.
How it compares with other petrol cars in Canada
The average petrol car in our Canada dataset uses 11.7 L/100km. The 2021 GMC Sierra FFV uses 14.5 L/100km — about 23.9% more than that average, or roughly CA$735 extra a year at 15,000 km.
2021 GMC Sierra FFV — configurations in the official data
| Fuel | Consumption | CO₂ | Engine | Power | Source variant |
|---|---|---|---|---|---|
| Petrol | 14.5 L/100km | 340 g/km | — | — | — |
Figures are the official certified values recorded in the Natural Resources Canada (NRCan), grouped across 1 configuration. Real-world consumption is typically higher than the certified figure.
Related
GMC Sierra FFV 2020 · GMC Sierra FFV 2022 · GMC Sierra FFV 2019 · GMC Sierra FFV 2023 · All Canada cars · Full Canada running-cost calculator · Canada fuel cost calculator
These are estimates built from official certified figures and current average prices. They are not financial advice. Verify the exact figure for the car you are buying — consumption varies by trim, tyres and driving style.