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2020 Mazda3 Sport GS AWD (BP)
Shown: 2020 Mazda3 Sport GS AWD (BP). Photo: Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
  • Gas
  • Midsize cars
  • MY2004–2026

Mazda3 MPG & Fuel Cost by Year

23 model years · 2004–2026

30 MPG
Combined
27 MPG
City
36 MPG
Highway
Annual cost · MY2026 4-Door 2.5L 4-cyl FWD
$2,160

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Mazda models

Mazda3 fuel economy at a glance

EPA has rated the Mazda3 for 23 model years, 2004 to 2026. Across those years its combined rating runs 21–33 MPG. The latest model year, 2026, has 7 configurations rated 26–30 MPG combined and costing $2,160–$2,480 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2004 is the 2016 4-Door 2.0L 4-cyl FWD, at 33 MPG.

Mazda3 MPG by year

2022242628303234 20042010201420192026 Gas 2022242628303234 20042010201420192026 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Mazda3: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2019-2026 (BP) Generation page
2026 26–30 $2,160–$2,480
2025 26–31 $2,110–$2,480
2024 26–31 $2,110–$2,480
2023 26–31 $2,100–$2,480
2022 26–31 $2,110–$2,480
2021 26–31 $2,110–$2,480
2020 27–30 $2,160–$2,420
2019 27–30 $2,160–$2,420
2014-2018 (BM) Generation page
2018 28–32 $2,070–$2,350
2017 28–32 $2,070–$2,350
2016 29–33 $1,950–$2,270
2015 29–33 $1,950–$2,270
2014 30–33 $1,960–$2,150
2010-2013 (BL) Generation page
2013 23–32 $2,040–$2,830
2012 23–32 $2,040–$2,830
2011 23–28 $2,370–$2,830
2010 24–28 $2,330–$2,720
2004-2009 (BK) Generation page
2009 24–27 $2,420–$2,720
2008 24–27 $2,420–$2,720
2007 21–27 $2,420–$3,830
2006 24–27 $2,420–$2,720
2005 23–27 $2,420–$2,840
2004 23–27 $2,420–$2,840

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Mazda3 generations

4 generations between 2004 and 2026. Open one for the table of every model year and configuration.

2026 powertrain options

Gas · 2.5L
Combined
26–30 MPG
Per year
$2,160–$2,480
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Mazda3's gas mileage by year?

EPA combined ratings for the Mazda3 run 21–33 MPG across model years 2004 to 2026. The latest year, 2026, is rated 26–30 MPG.

Which Mazda3 model year has the best gas mileage?

The 2016 Mazda3 4-Door 2.0L 4-cyl FWD has the highest combined rating since 2004, at 33 MPG.

How much does a Mazda3 cost to fuel per year?

For MY2026, EPA-rated configurations cost $2,160–$2,480 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,160.

Has the Mazda3's fuel economy improved over time?

Yes. The most efficient configuration moved from 27 MPG in 2004 to 30 MPG in 2026, 3 MPG more.

How many generations of the Mazda3 are there?

EPA data covers 4 generations of the Mazda3: 2019-2026, 2014-2018, 2010-2013, 2004-2009. Each has its own page with a table for every model year.