2004 Chevrolet Express Cargo
2 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Express Cargo (Bi-fuel) | 11 | 15 | 12 | Regular Gasoline | Rear-Wheel Drive | 6L 8-cyl | Automatic 4-spd |
| Express Cargo (dedicated CNG) | 11 | 15 | 12 | Natural Gas | Rear-Wheel Drive | 6L 8-cyl | Automatic 4-spd |