2004 Chevrolet Express Cargo (dedicated CNG)
6.0L 8-cyl · 4-speed automatic · RWD
Natural gasCNGVans, Cargo Type
Official EPA record #20430 from FuelEconomy.gov · data 2026-07-26 · every assumption below is yours to edit. How this is computed
Per month
$236.80
Per year
$2,842
Per mile
23.7¢/mi
5-year total
$14,210
Driving mix55% city / 45% highway
$/GGE
Notes & official EPA estimate
960 GGE of natural gas / yearnatural gas @ $2.96/GGEAt $3.96/GGE: $316.80/mo
- Natural-gas MPG is measured in gasoline-gallon equivalents (GGE); the default price is the official national average per GGE.
Official FuelEconomy.gov estimate: $3,700/year — assumes 15,000 miles/year and EPA price assumptions. The figures above use your inputs instead.
Compare with another vehiclePrices: EPA national averages, Jul 24, 2026 — override anytime.
At 12,000 miles per year (55% city / 45% highway) with EPA national-average prices, this 2004 Chevrolet Express Cargo (dedicated CNG) costs about $236.80 per month in fuel — $2,842 per year, 23.7¢/mi, $14,210 over five years.Assumptions are editable below. Prices as of July 24, 2026 · EPA vehicle record #20430. EPA figures are laboratory estimates; real-world cost varies with driving conditions, weather, and where you buy energy.
Official EPA efficiency
| Measure | Value |
|---|---|
| City miles per GGE | 11 |
| Highway miles per GGE | 15 |
| Combined miles per GGE | 12 |
Natural-gas economy is measured in gasoline-gallon equivalents (GGE), not gallons of gasoline.
Official EPA estimates
| Estimate | Value |
|---|---|
| Official annual fuel cost (15,000 mi/yr) | $3,700/yr |
| Tailpipe CO₂ | 586 g/mi |
| EPA smog rating | not published |
Source: U.S. EPA / DOE FuelEconomy.gov, vehicle record #20430 (record updated 2013-01-01). Snapshot processed 2026-07-26; page data last changed 2013-01-01.
Related configurations
Same year, same family