← all 2005 GMC Sierra 1500 2WD trims
2005 GMC Sierra 1500 2WD — 6.0L 8-cyl, Automatic 4-spd, RWD
This 2005 GMC Sierra 1500 2WD (6.0L 8-cyl, Automatic 4-spd, RWD) takes premium gasoline. PREMIUM
15
MPG combined (13 city / 18 hwy)
$5,150
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
Other 2005 GMC Sierra 1500 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 4.8L 8-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,650 |
| 4.3L 6-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,900 |
| 4.3L 6-cyl, 5-spd manual, RWD | REGULAR | 16 | $3,900 |
| 4.8L 8-cyl, 5-spd manual, RWD | REGULAR | 16 | $3,900 |
| 5.3L 8-cyl, Automatic 4-spd, RWD | REGULAR | 16 | $3,900 |
| 5.3L 8-cyl, Automatic 4-spd, RWD | FLEX-FUEL | 16 | $3,900 |
EPA fuel type: Premium · class: Standard Pickup Trucks 2WD · retrieved 2026-06-14.