2015 head-to-head · Compact Car
2015 Honda Civic vs Mazda 3
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2015 Honda Civic (34 MPG) costs about $1,368 a year to fuel and the 2015 Mazda 3 (33 MPG) about $1,409.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Honda Civic
- Mazda 3
Side by side
| Honda Civic | Mazda 3 | |
|---|---|---|
| $1,368 | Your annual fuel cost | $1,409 |
| 34 MPG | Combined efficiency | 33 MPG |
| 31 MPG | City | 29 MPG |
| 40 MPG | Highway | 39 MPG |
| 95 cu ft | Passenger volume | 96 cu ft |
| 12 cu ft | Cargo volume | 12 cu ft |
| 259 g/mi | Tailpipe CO₂ (g/mi) | 270 g/mi |
| 8/10 | EPA fuel economy score | 8/10 |
| 8/10 | EPA greenhouse gas score | 8/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 1.8L 4-cyl | Engine / motor | 2.0L 4-cyl |
| CVT | Transmission | 6-speed manual |
| FWD | Drivetrain | FWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Honda Civic vs Mazda 3 across model years
- Honda Civic
- Mazda 3
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 52 2015 compact cars, the Honda Civic ranks 9th and the Mazda 3 13th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Honda Civic or the 2015 Mazda 3?
Measured by cost to drive, the Honda Civic. The Honda Civic is rated 34 MPG combined and the Mazda 3 33 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Honda Civic vs. the Mazda 3 per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,368 for the Honda Civic and $1,409 for the Mazda 3.
Honda Civic vs Mazda 3 in other years
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