← all 2003 Chevrolet Avalanche 1500 2WD trims
2003 Chevrolet Avalanche 1500 2WD — 5.3L 8-cyl, Automatic 4-spd, RWD
This 2003 Chevrolet Avalanche 1500 2WD (5.3L 8-cyl, Automatic 4-spd, RWD) takes regular (87-octane) gasoline. REGULAR
14
MPG combined (12 city / 17 hwy)
$4,450
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 2003 Chevrolet Avalanche 1500 2WD trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.3L 8-cyl, Automatic 4-spd, RWD | FLEX-FUEL | 14 | $4,450 |
EPA fuel type: Regular · class: Sport Utility Vehicle - 2WD · retrieved 2026-06-14.