GMC Sierra 4WD
The GMC Sierra 4WD appears in the database for 7 model years, from 2020 to 2026. Combined fuel consumption stayed roughly the same from 14.7 l/100km in 2020 to 14.7 l/100km in 2026. Fuel: Regular Gasoline. No recalls are recorded in the loaded NHTSA data for these model years.

Model years2020–20267 years in the database
Versions listed35
Combined economy12.4–14.7 l/100kmbest: 12.4 l/100km (2023)
Kerb weight2,486–2,840 kg
Fuel economy by year
Combined consumption, l/100 km. Lower is better.
Year by year
| Year | Versions | Engine | Combined | CO2 | Weight |
|---|---|---|---|---|---|
| 2026 | 3 | 6,200 cc | 14.7 l/100km | 341.8 g/km | 2,815 kg |
| 2025 | 4 | 6,200 cc | 13.8 l/100km | 332.4 g/km | 2,815 kg |
| 2024 | 4 | 6,200 cc | 13.1 l/100km | 303.2 g/km | 2,678.5 kg |
| 2023 | 4 | 6,200 cc | 12.4 l/100km | 290.2 g/km | 2,839.9 kg |
| 2022 | 6 | 6,200 cc | 13.8 l/100km | 318.8 g/km | 2,825 kg |
| 2021 | 7 | 6,200 cc | 13.1 l/100km | 313.2 g/km | 2,485.7 kg |
| 2020 | 7 | 6,200 cc | 14.7 l/100km | 341.1 g/km | 2,485.7 kg |
Other GMC models
Sources
S7FuelEconomy.gov PD-USGovS9EPA Light-Duty Test Data PD-USGov
Figures come from the datasets above for each model year. Verify against manufacturer documentation before relying on them.
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