← all 2008 GMC Sierra C15 2WD trims
2008 GMC Sierra C15 2WD — 5.3L 8-cyl, Automatic 4-spd, RWD
This 2008 GMC Sierra C15 2WD (5.3L 8-cyl, Automatic 4-spd, RWD) is flex-fuel (gasoline or E85). FLEX-FUEL
17
MPG combined (15 city / 20 hwy)
$3,650
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 2008 GMC Sierra C15 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.3L 6-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,353 |
| 5.3L 8-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,353 |
| 4.8L 8-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,562 |
| 6.0L 8-cyl, Automatic 4-spd, RWD | REGULAR | 15 | $3,800 |
| 6.2L 8-cyl, Automatic 6-spd, RWD | PREMIUM | 15 | $4,680 |
EPA fuel type: Gasoline or E85 · class: Standard Pickup Trucks 2WD · engine: 5.3L 8-cyl · transmission: Automatic 4-spd · drive: RWD · MPG retrieved 2026-07-24.