2011 Honda Civic CNG MPG & Specs — Real-World vs EPA, All Trims
Fuel grade varies by trim — see the breakdown below.
Is the 2011 Honda Civic CNG good on gas?
At up to 28 MPG combined, the 2011 Honda Civic CNG is better than average for a Subcompact Cars — that class averages about 22.8 MPG across 5,756 EPA-tested versions, so it's a good pick on fuel for its size.
Real-world MPG vs the EPA number
The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.
EPA updated its fuel-economy equations again for model year 2017 — mostly affecting hybrids and turbocharged engines — and recalculated 2011-2016 ratings to match, in some cases 1-2 MPG lower. The number above already reflects that update.
For its most efficient trim, the EPA estimates about $1,600 a year in fuel (15,000 miles) — roughly $133 a month.
2011 Honda Civic CNG trims & fuel economy
| Trim (engine / transmission) | Fuel | MPG | Fuel/yr (today's price) |
|---|---|---|---|
| 1.8L 4-cyl, Automatic 5-spd, FWD | CNG | 28 | $1,600 |
2011 Honda Civic CNG specs
What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.
| Engine options | 1.8L 4-cyl |
| Transmission | Automatic 5-spd |
| Drive type | FWD |
| EPA body class | Subcompact Cars |
| Fuel | CNG |
Other years of the Honda Civic CNG
Similar cars (Subcompact Cars)
Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides
1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.