2004 GMC Savana Passenger (dedicated CNG) MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2004 GMC Savana Passenger (dedicated CNG).
The 2004 GMC Savana Passenger (dedicated CNG) runs on natural gas and is in the Vans, Passenger Type car class.
Whether you are considering a purchase of the car, or just wanting to find out how economical and environmentally friendly (or un-friendly) your 2004 GMC Savana Passenger (dedicated CNG) is, we have the information you need.
🛣 How Many Miles per Gallon (MPG) Does a 2004 GMC Savana Passenger (dedicated CNG) Get?
First off, the most commonly asked question. A 2004 GMC Savana Passenger (dedicated CNG) gets up to 11 miles per gallon in the city, and 15 miles per gallon on the highway.
The combined average MPG for the 2004 GMC Savana Passenger (dedicated CNG) is 12 miles per gallon.
💵 What is the Average Yearly Fuel Cost for a 2004 GMC Savana Passenger (dedicated CNG)?
The estimated fuel costs for the 2004 GMC Savana Passenger (dedicated CNG) is $2,900 per year.
That value has been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
If you were to compare a 2004 GMC Savana Passenger (dedicated CNG) to an average vehicle over 5 years, you will spend $3,000 more on fuel.
Overview
The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2004 GMC Savana Passenger (dedicated CNG).
| City MPG | 11 |
|---|---|
| Highway MPG | 15 |
| Combined MPG | 12 |
| Save/Spend vs Average Car | Spend $3,000 |
| Fuel Cost | $2,900 |
| Fuel Type 1 | CNG |
| ATV Type | CNG |
| Drive | Rear-Wheel Drive |
| Cylinders | 8 |
| Displacement | 6 |
| Transmission | Automatic 4-spd |
| Vehicle Class | Vans, Passenger Type |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Related GMC Models from 2004
If you're interested in other GMC models from 2004, you can find them in the table below. You can click the model link to find miles per gallon and emission information for that model.
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/gmc/savana-passenger-dedicated-cng/2004">2004 GMC Savana Passenger (dedicated CNG) MPG and Fuel Economy</a>
"2004 GMC Savana Passenger (dedicated CNG) MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/gmc/savana-passenger-dedicated-cng/2004.
"2004 GMC Savana Passenger (dedicated CNG) MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/gmc/savana-passenger-dedicated-cng/2004. Accessed January 3, 2026.
2004 GMC Savana Passenger (dedicated CNG) MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/gmc/savana-passenger-dedicated-cng/2004.