Mazda CX-30 MPG by Year & Engine (EPA)

EPA fuel-economy ratings for every rated Mazda CX-30 model year from 2020 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the CX-30 has been offered with 2.5L 4-cyl engines; the most efficient version is the 2025 (up to 29 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.

Mazda CX-30 fuel economy by year

YearCombinedEnginesMedian used priceFor sale
2026 25–27 MPG 2.5L 4-cyl $30,709 954 listings
2025 25–29 MPG 2.5L 4-cyl $24,566 217 listings
2024 25–29 MPG 2.5L 4-cyl $21,886 226 listings
2023 25–29 MPG 2.5L 4-cyl $23,529 140 listings
2022 25–26 MPG 2.5L 4-cyl $22,370 47 listings
2021 25–28 MPG 2.5L 4-cyl $19,722 43 listings
2020 26–28 MPG 2.5L 4-cyl $18,999 21 listings

2026 Mazda CX-30: engines & MPG

The 2026 CX-30 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 25 to 27 MPG. Used 2026 models currently list for a median of $30,709 on VehiSales (954 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 24 31 27 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2025 Mazda CX-30: engines & MPG

The 2025 CX-30 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 25 to 29 MPG. Used 2025 models currently list for a median of $24,566 on VehiSales (217 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 26 33 29 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2024 Mazda CX-30: engines & MPG

The 2024 CX-30 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 25 to 29 MPG. Used 2024 models currently list for a median of $21,886 on VehiSales (226 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 26 33 29 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2023 Mazda CX-30: engines & MPG

The 2023 CX-30 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 25 to 29 MPG. Used 2023 models currently list for a median of $23,529 on VehiSales (140 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 26 33 29 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2022 Mazda CX-30: engines & MPG

The 2022 CX-30 was EPA-rated in 2 versions (2.5L 4-cyl), with combined economy from 25 to 26 MPG. Used 2022 models currently list for a median of $22,370 on VehiSales (47 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 24 31 26 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2021 Mazda CX-30: engines & MPG

The 2021 CX-30 was EPA-rated in 3 versions (2.5L 4-cyl), with combined economy from 25 to 28 MPG. Used 2021 models currently list for a median of $19,722 on VehiSales (43 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 2WD 2.5L 4-cyl Automatic (S6) Regular 25 33 28 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 24 31 26 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 22 30 25 MPG

2020 Mazda CX-30: engines & MPG

The 2020 CX-30 was EPA-rated in 3 versions (2.5L 4-cyl), with combined economy from 26 to 28 MPG. Used 2020 models currently list for a median of $18,999 on VehiSales (21 for sale).

VersionEngineTransmissionFuelCityHwyCombined
CX-30 2WD 2.5L 4-cyl Automatic (S6) Regular 25 33 28 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 25 32 27 MPG
CX-30 4WD 2.5L 4-cyl Automatic (S6) Regular 24 31 26 MPG

Frequently asked questions

What MPG does a Mazda CX-30 get?

Depending on year and engine, EPA combined ratings for the CX-30 range from 26 to 29 MPG. The most efficient rated version is the 2025 model year.

What engines does the 2026 Mazda CX-30 have?

The 2026 CX-30 was EPA-rated with 2.5L 4-cyl engines — see the 2026 table above for each version's exact city/highway figures.

Does the Mazda CX-30 require premium gas?

No — rated versions run on regular gasoline.

About this data: EPA ratings from the official U.S. DOE/EPA dataset (fueleconomy.gov), as of July 2026; refreshed monthly. Market prices and listing counts are live medians from VehiSales inventory, updated daily. How to cite: “VehiSales Research, Mazda CX-30 EPA Fuel Economy by Model Year” with a link to https://vehisales.com/research/fuel-economy/mazda/cx-30.

See also: Mazda CX-30 hub — live listings, prices & reliability · Used Mazda CX-30 prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].

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