- Gas
- Small SUVs
- MY2020–2026
Mazda CX-30 MPG & Fuel Cost by Year
7 model years · 2020–2026
15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)
Mazda CX-30 fuel economy at a glance
EPA has rated the Mazda CX-30 for 7 model years, 2020 to 2026. Across those years its combined rating runs 25–29 MPG. The latest model year, 2026, has 2 configurations rated 25–27 MPG combined and costing $2,410–$2,600 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2020 is the 2025 CX-30 2.5L 4-cyl 4WD, at 29 MPG.
Mazda CX-30 MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2020-2026 (DM) Generation page | ||
| 2026 | 25–27 | $2,410–$2,600 |
| 2025 | 25–29 | $2,270–$2,600 |
| 2024 | 25–29 | $2,270–$2,600 |
| 2023 | 25–29 | $2,270–$2,600 |
| 2022 | 25–26 | $2,470–$2,600 |
| 2021 | 25–28 | $2,310–$2,600 |
| 2020 | 26–28 | $2,310–$2,470 |
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.
Mazda CX-30 generations
1 generations between 2020 and 2026. Open one for the table of every model year and configuration.
2026 powertrain options
More Mazda models
Frequently asked questions
What is the Mazda CX-30's gas mileage by year?
EPA combined ratings for the Mazda CX-30 run 25–29 MPG across model years 2020 to 2026. The latest year, 2026, is rated 25–27 MPG.
Which Mazda CX-30 model year has the best gas mileage?
The 2025 Mazda CX-30 CX-30 2.5L 4-cyl 4WD has the highest combined rating since 2020, at 29 MPG.
How much does a Mazda CX-30 cost to fuel per year?
For MY2026, EPA-rated configurations cost $2,410–$2,600 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,410.
Has the Mazda CX-30's fuel economy improved over time?
No. The most efficient configuration moved from 28 MPG in 2020 to 27 MPG in 2026, 1 MPG less.
Which Mazda CX-30 model years have the same ratings?
EPA lists identical ratings as the previous year for 2024, 2025. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.