GMC Sierra — All Years
| Year | Engine | Fuel | MPG (UK) | NHTSA |
|---|---|---|---|---|
| 2024 | 5.3L 8-cyl | Regular Gasoline | 22 | — |
| 2023 | 5.3L 8-cyl | Regular Gasoline | 22 | — |
| 2022 | 5.3L 8-cyl | Regular Gasoline | 20 | — |
| 2021 | 5.3L 8-cyl | Regular Gasoline | 20 | — |
| 2020 | 5.3L 8-cyl | Regular Gasoline | 23 | — |
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