← all 2008 GMC Sierra C15 2WD trims
2008 GMC Sierra C15 2WD — 6.0L 8-cyl, Automatic 4-spd, RWD
This 2008 GMC Sierra C15 2WD (6.0L 8-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR
15
MPG combined (13 city / 18 hwy)
$4,150
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 | $3,650 |
| 5.3L 8-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,650 |
| 4.8L 8-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,900 |
| 5.3L 8-cyl, Automatic 4-spd, RWD | FLEX-FUEL | 17 | $3,650 |
| 6.2L 8-cyl, Automatic 6-spd, RWD | PREMIUM | 15 | $5,150 |
EPA fuel type: Regular · class: Standard Pickup Trucks 2WD · retrieved 2026-06-14.