← all 2009 GMC Sierra K15 4WD trims
2009 GMC Sierra K15 4WD — 6.0L 8-cyl, Automatic 6-spd, AWD
This 2009 GMC Sierra K15 4WD (6.0L 8-cyl, Automatic 6-spd, AWD) takes regular (87-octane) gasoline. REGULAR
15
MPG combined (13 city / 18 hwy)
$3,800
est. fuel cost / year (today’s prices, 15k 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 2009 GMC Sierra K15 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.3L 8-cyl, Automatic 4-spd, AWD | REGULAR | 16 | $3,562 |
| 5.3L 8-cyl, Automatic 6-spd, AWD | REGULAR | 16 | $3,562 |
| 4.3L 6-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $3,800 |
| 4.8L 8-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $3,800 |
| 5.3L 8-cyl, Automatic 4-spd, AWD | FLEX-FUEL | 16 | $3,900 |
| 5.3L 8-cyl, Automatic 6-spd, AWD | FLEX-FUEL | 16 | $3,900 |
| 6.2L 8-cyl, Automatic 6-spd, AWD | FLEX-FUEL | 14 | $4,450 |
EPA fuel type: Regular · class: Standard Pickup Trucks 4WD · engine: 6.0L 8-cyl · transmission: Automatic 6-spd · drive: AWD · MPG retrieved 2026-07-24.