2017 head-to-head · Compact Car

2017 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.

Swap sides
✓ Cheaper to run
$1,292/ year to fuel
36 MPG
✓ Cheaper to run
$1,453/ year to fuel
32 MPG

The 2017 Honda Civic is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,292 a year to fuel (36 MPG), versus $1,453 for the 2017 Mazda 3 (32 MPG). That's roughly $161 a year, or about $807 over five years.

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 CivicMazda 3
$1,292 Your annual fuel cost $1,453
36 MPG Combined efficiency 32 MPG
32 MPG City 28 MPG
42 MPG Highway 37 MPG
98 cu ft Passenger volume 96 cu ft
15 cu ft Cargo volume 12 cu ft
248 g/mi Tailpipe CO₂ (g/mi) 281 g/mi
8/10 EPA fuel economy score 7/10
8/10 EPA greenhouse gas score 7/10
Gas Powertrain Gas
Regular gasoline Fuel Regular gasoline
1.5L 4-cyl turbo Engine / motor 2.0L 4-cyl
CVT Transmission 6-speed automatic
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

Per EPA interior volume figures, the Honda Civic has more cargo space (15 vs. 12 cu ft).

Among 50 2017 compact cars, the Honda Civic ranks 7th and the Mazda 3 14th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2017 Honda Civic or the 2017 Mazda 3?

Measured by cost to drive, the Honda Civic. The Honda Civic is rated 36 MPG combined and the Mazda 3 32 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2017 Honda Civic vs. the Mazda 3 per year?

At 15,000 miles a year with $3.10/gal regular gas, about $1,292 for the Honda Civic and $1,453 for the Mazda 3.

Which has more cargo space?

The Honda Civic, with 15 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).

Honda Civic vs Mazda 3 in other years

More 2017 comparisons

Or compare the 2017 Honda Civic with anything else:

Keep exploring