Mazda CX-3 MPG & Fuel Economy
The 2021 Mazda CX-3 gets up to 31 MPG combined (29 city / 34 highway) in EPA testing.
Latest model year (2021):
The Mazda CX-3 gets up to 31 MPG combined (29 city / 34 highway) in the Auto (S6), 4 cyl, 2.0 L trim.
Mazda CX-3 MPG — All Years
| Year | Trim | Engine | Fuel | City (MPG) | Hwy (MPG) | Combined (MPG) |
|---|---|---|---|---|---|---|
| 2021 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 34 | 31 |
| 2021 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
| 2020 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 34 | 31 |
| 2020 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
| 2019 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 34 | 31 |
| 2019 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
| 2018 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 34 | 31 |
| 2018 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
| 2017 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 34 | 31 |
| 2017 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
| 2016 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 29 | 35 | 31 |
| 2016 | Auto (S6), 4 cyl, 2.0 L | 4 2.0L | Regular Gasoline | 27 | 32 | 29 |
Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.
Mazda CX-3 MPG FAQ
What is the MPG of the Mazda CX-3?
The Mazda CX-3 gets up to 31 MPG combined (29 city / 34 highway) in the 2021 model year. Fuel economy varies by engine and trim — see the full table above for details.
Which Mazda CX-3 trim has the best fuel economy?
The Auto (S6), 4 cyl, 2.0 L trim offers the best combined fuel economy at 31 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.