Mazda 3 4-Door: MPG and fuel economy by year
The EPA has rated the Mazda 3 4-Door across 5 model years, from the 2014 Mazda 3 4-Door through the 2018 Mazda 3 4-Door. The most recent 2018 Mazda 3 4-Door returns 31 combined MPG. The most efficient model year was the 2016 Mazda 3 4-Door at 33 MPG.
Pick a year below to open the full Mazda 3 4-Door page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Mazda 3 4-Door. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2018 | 2018 Mazda 3 4-Door | 31 MPG | 28 MPG | 38 MPG | $1,950 |
| 2017 | 2017 Mazda 3 4-Door | 32 MPG | 28 MPG | 37 MPG | $1,850 |
| 2016 | 2016 Mazda 3 4-Door | 33 MPG | 29 MPG | 39 MPG | $1,800 |
| 2015 | 2015 Mazda 3 4-Door | 33 MPG | 29 MPG | 39 MPG | $1,800 |
| 2014 | 2014 Mazda 3 4-Door | 33 MPG | 30 MPG | 39 MPG | $1,800 |
How the Mazda 3 4-Door compares against the Compact Cars class
Buyers usually compare the Mazda 3 4-Door against other cars in the same EPA class. The list below shows the most efficient cars in the Compact Cars class for the 2018 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.