2004 Honda Civic 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 Honda Civic CNG.

The 2004 Honda Civic CNG runs on natural gas and is in the Compact Cars 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 Honda Civic CNG is, we have the information you need.

🛣 How Many Miles per Gallon (MPG) Does a 2004 Honda Civic CNG Get?

First off, the most commonly asked question. A 2004 Honda Civic CNG gets up to 26 miles per gallon in the city, and 31 miles per gallon on the highway.

The combined average MPG for the 2004 Honda Civic CNG is 28 miles per gallon.

💵 What is the Average Yearly Fuel Cost for a 2004 Honda Civic CNG?

The estimated fuel costs for the 2004 Honda Civic CNG is $1,250 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 Honda Civic CNG to an average vehicle over 5 years, you will save $5,250 on fuel.


The table below covers all of the miles per gallon, engine specifications, and emission details we have for the 2004 Honda Civic CNG.

City MPG 26
Highway MPG 31
Combined MPG 28
Save/Spend vs Average Car Save 5,250
Fuel Cost $1,250
Fuel Type 1 CNG
Drive Front-Wheel Drive
Cylinders 4
Transmission Automatic (variable gear ratios)
Vehicle Class Compact Cars
Start/Stop? No
Supercharged? No
Turbocharged? No

Related Honda Models from 2004

If you're interested in other Honda 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.

Model Combined MPG
Insight 52
Civic 30
Accord 21
Accord 22
Odyssey 19
Element 4WD 20
Element 2WD 21
Civic Hybrid 40
Accord 24
Civic 30
Civic 32
Element 2WD 21
S2000 20
CR-V 2WD 22
Civic 34
Pilot 4WD 17
Civic Hybrid 41
CR-V 4WD 21
Civic 25
Civic 30


Ratings were provided by the manufacturer to the U.S. Department of Energy, which is where we sourced the data. Be advised that manufacturers may have upgraded, downgraded, or changed these ratings following the compilation of this data.

MPG Buddy does not guarantee the accuracy of this data, nor are we liable for any decisions made by referencing this data. Make sure to contact the specific car manufacturer to confirm accuracy.

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  • "2004 Honda Civic CNG MPG and Fuel Economy". MPG Buddy. Accessed on June 28, 2022. http://mpgbuddy.com/cars/honda/civic-cng/2004.

  • "2004 Honda Civic CNG MPG and Fuel Economy". MPG Buddy, http://mpgbuddy.com/cars/honda/civic-cng/2004. Accessed 28 June, 2022

  • 2004 Honda Civic CNG MPG and Fuel Economy. MPG Buddy. Retrieved from http://mpgbuddy.com/cars/honda/civic-cng/2004.