← all 2024 GMC Sierra 2WD trims
2024 GMC Sierra 2WD — 2.7L 4-cyl, Automatic 8-spd, RWD
This 2024 GMC Sierra 2WD (2.7L 4-cyl, Automatic 8-spd, RWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (18 city / 22 hwy)
$2,850
est. fuel cost / year (today’s prices, 15k mi)
450 g/mi
tailpipe CO₂
At today's AAA national average price ($3.80/gal, 2026-07-05) — the EPA's own price/date assumption isn't exposed in the public dataset, so we recompute this from the EPA's MPG figure and a sourced current price.
Other 2024 GMC Sierra 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.7L 4-cyl, Automatic 8-spd, RWD | REGULAR | 19 | $3,000 |
| 5.3L 8-cyl, Automatic 10-spd, RWD | REGULAR | 18 | $3,167 |
| 5.3L 8-cyl, Automatic 10-spd, RWD | REGULAR | 18 | $3,167 |
| 5.3L 8-cyl, Automatic 10-spd, RWD | REGULAR | 16 | $3,562 |
| 3.0L 6-cyl, Automatic 10-spd, RWD | DIESEL | 25 | $2,868 |
| 5.3L 8-cyl, Automatic 10-spd, RWD | FLEX-FUEL | 18 | $3,450 |
EPA fuel type: Regular · class: Standard Pickup Trucks 2WD · engine: 2.7L 4-cyl turbo · transmission: Automatic 8-spd · drive: RWD · MPG retrieved 2026-07-24.