2003 · Compact Car · Natural gas
2003 Honda Civic CNG MPG & fuel economy
The 2003 Honda Civic CNG is a compact car with one EPA-rated configuration. The most efficient version returns 28 MPGe combined (26 city / 31 highway) on natural gas (CNG). Efficiency is unchanged from the 2002 model. Among 45 compact cars rated for 2003, it ranks 8th for lowest fuel cost. At 15,000 miles a year with $2.90/gge natural gas, it costs about $1,554 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2003 Honda Civic CNG is rated 28 MPGe combined.
How it ranks among 2003 Compact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
Civic CNG MPGe across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 1.7L 4-cyl · CVT Civic CNG |
Natural gas | 26 MPGe | 31 MPGe | 28 MPGe | — | $1,554 |
Specs (most efficient configuration)
- Fuel
- Natural gas (CNG)
- Engine / motor
- 1.7L 4-cyl
- Transmission
- CVT
- Drivetrain
- FWD
- Passenger volume
- 91 cu ft
- Cargo volume
- 7 cu ft
- Tailpipe CO₂
- 251 g/mi
2003 Honda Civic CNG vs. rivals
Compare the 2003 Civic CNG
With any other car from any year, including other Civic CNG model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2003 Honda Civic (34 MPG), 2003 Honda Civic Hybrid (41 MPG)
Frequently asked questions
What is the gas mileage of the 2003 Honda Civic CNG?
Up to 28 MPGe combined (26 city / 31 highway).
What fuel does the 2003 Honda Civic CNG use?
Natural gas (CNG).
How much does it cost to fuel the 2003 Honda Civic CNG per year?
About $1,554 at 15,000 miles a year with $2.90/gge natural gas, or $10.36 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.