← all 2006 GMC Sierra 1500 4WD trims
2006 GMC Sierra 1500 4WD — 5.3L 8-cyl, Automatic 4-spd, AWD
This 2006 GMC Sierra 1500 4WD (5.3L 8-cyl, Automatic 4-spd, AWD) is flex-fuel (gasoline or E85). FLEX-FUEL
15
MPG combined (13 city / 17 hwy)
$4,150
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 2006 GMC Sierra 1500 4WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.3L 6-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $4,150 |
| 4.3L 6-cyl, 5-spd manual, AWD | REGULAR | 15 | $4,150 |
| 4.8L 8-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $4,150 |
| 4.8L 8-cyl, 5-spd manual, AWD | REGULAR | 15 | $4,150 |
| 5.3L 8-cyl, Automatic 4-spd, AWD | REGULAR | 15 | $4,150 |
| 6.0L 8-cyl, Automatic 4-spd, AWD | PREMIUM | 14 | $5,500 |
EPA fuel type: Gasoline or E85 · class: Standard Pickup Trucks 4WD · retrieved 2026-06-14.