Honda Civic CNG
28 MPG The 2011 Honda Civic CNG is EPA-rated at 28 MPG combined (24 city / 36 highway). Over 15,000 miles a year that is about 536 gallons, $1714 a year in fuel, or $0.114 per mile at $3.20/gal.
Across its full 1998–2011 run it averages 27.8 MPG, improving by 1 MPG over 13 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.089 | $893 | $1339 | $1786 |
| $3.00/gal | $0.107 | $1071 | $1607 | $2143 |
| $3.20/gal | $0.114 | $1143 | $1714 | $2286 |
| $3.50/gal | $0.125 | $1250 | $1875 | $2500 |
| $4.00/gal | $0.143 | $1429 | $2143 | $2857 |
| $4.50/gal | $0.161 | $1607 | $2411 | $3214 |
| $5.00/gal | $0.179 | $1786 | $2679 | $3571 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2011 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2010 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2009 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2008 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2007 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2006 | 28 MPG | 24 | 36 | $1600 | 251 | 1 |
| 2005 | 28 MPG | 26 | 31 | $1600 | 251 | 1 |
| 2004 | 28 MPG | 26 | 31 | $1600 | 251 | 1 |
| 2003 | 28 MPG | 26 | 31 | $1600 | 251 | 1 |
| 2002 | 28 MPG | 26 | 31 | $1600 | 251 | 1 |
| 2001 | 28 MPG | 26 | 31 | $1600 | 251 | 1 |
| 2000 | 27 MPG | 24 | 31 | $1650 | 260 | 1 |
| 1998 | 27 MPG | 24 | 31 | $1650 | 260 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 229 subcompact cars models tracked here, the Honda Civic CNG ranks 42 on current figures, against a class average of 24.2 MPG.
Closest more-efficient alternatives in the same class: Isuzu I-Mark (28.4), Chevrolet Aveo 5 (28.5), Audi A3 Cabriolet (29), BMW M440i Convertible (29), BMW M440i xDrive Coupe (29).
Tailpipe CO₂ is rated at 251 grams per mile, which works out to roughly 3.8 tonnes a year at 15,000 miles.
Questions
What MPG does the Honda Civic CNG get?
The 2011 Honda Civic CNG is rated at 28 MPG combined by the EPA — 24 city and 36 highway. Across all 13 model years in the database it averages 27.8 MPG, ranging from 27 to 28 depending on year and trim.
How much does a Honda Civic CNG cost in fuel per year?
At 28 MPG and 15,000 miles a year, it burns about 536 gallons — roughly $1714 a year with fuel at $3.20 a gallon, or $0.114 per mile. The EPA's own published annual figure for the 2011 model is $1600.
Has the Honda Civic CNG become more efficient over time?
Yes. It has gone from 27 MPG in 1998 to 28 in 2011 — an improvement of 1 MPG, or 4% across 13 model years.
Is the Honda Civic CNG efficient for its class?
It ranks 42 of 229 in the Subcompact Cars class on current figures, against a class average of 24.2 MPG. That is 3.8 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.