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2025 Mazda CX-30 GT Turbo (DM)
Shown: 2025 Mazda CX-30 GT Turbo (DM). Photo: Elise240SX, CC BY-SA 4.0, via Wikimedia Commons
  • Newest year: 2026
  • Gas
  • Small SUVs

2020-2026 Mazda CX-30 MPG & Fuel Cost

7 model years · 25–29 MPG combined

27 MPG
Combined
24 MPG
City
31 MPG
Highway
Annual fuel cost · CX-30 2.5L 4-cyl 4WD
$2,410

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

Cheaper to fuel than 4 of 10 small SUV configurations, MY2026. Ranked against all rated configurations, not sales-weighted.

2020-2026 Mazda CX-30 at a glance

The 2020-2026 Mazda CX-30 covers 7 model years in the EPA database (19 configurations in all), rated 25–29 MPG combined. The newest model year, 2026, costs about $2,410 a year to fuel for its most efficient version, the CX-30 2.5L 4-cyl 4WD (27 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2021, 2022, 2023 and 2026; 2024 and 2025 repeat the values of the year before. The best combined rating in the generation, 29 MPG, was reached in 2023, 2024 and 2025.

2020-2026 Mazda CX-30 by model year

2020-2026 Mazda CX-30: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2026 Gas 25–27 MPG $2,410–$2,600 Ratings changed
2025 Gas 25–29 MPG $2,270–$2,600 Same EPA ratings as 2024
2024 Gas 25–29 MPG $2,270–$2,600 Same EPA ratings as 2023
2023 Gas 25–29 MPG $2,270–$2,600 Ratings changed
2022 Gas 25–26 MPG $2,470–$2,600 Ratings changed
2021 Gas 25–28 MPG $2,310–$2,600 Ratings changed
2020 Gas 26–28 MPG $2,310–$2,470 First year

What the 2026 CX-30 2.5L 4-cyl 4WD costs to drive

Per month

$201

$2,410 a year ÷ 12

Per 25 miles

$4.02

Per 100 miles

$16.07

Five years

$12,050

5 × the yearly cost, prices held at today's level

vs the small SUV median

$160more a year

Class median $2,250 a year, MY2026

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2026 Mazda CX-30 MPG

Versus 2025: The most efficient configuration moves from 29 to 27 MPG, down 2. Its annual cost goes from $2,270 to $2,410, $140 more.

Gas · 2.5L
Combined
25–27 MPG
Per year
$2,410–$2,600

Gas configurations (2)

2026 Mazda CX-30 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CX-30 2.5L 4-cyl (Most efficient) 2.5L 4-cyl 4WD 24 31 27 $2,410
CX-30 2.5L 4-cyl turbo 2.5L 4-cyl turbo 4WD 22 30 25 $2,600

2025 Mazda CX-30 MPG

Same EPA ratings as 2024

EPA lists the same ratings for the 2025 Mazda CX-30 as for the 2024 model, so the configurations and costs are the ones in the 2024 section above.See 2024

2024 Mazda CX-30 MPG

Same EPA ratings as 2023

EPA lists the same ratings for the 2024 Mazda CX-30 as for the 2023 model, so the configurations and costs are the ones in the 2023 section above.See 2023

2023 Mazda CX-30 MPG

25–29 MPG · $2,270–$2,600/yr

Versus 2022: The most efficient configuration moves from 26 to 29 MPG, up 3. Its annual cost goes from $2,470 to $2,270, $200 less.

Gas · 2.5L
Combined
25–29 MPG
Per year
$2,270–$2,600

Gas configurations (2)

2023 Mazda CX-30 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CX-30 2.5L 4-cyl (Most efficient) 2.5L 4-cyl 4WD 26 33 29 $2,270
CX-30 2.5L 4-cyl turbo 2.5L 4-cyl turbo 4WD 22 30 25 $2,600

2022 Mazda CX-30 MPG

25–26 MPG · $2,470–$2,600/yr

Versus 2021: The most efficient configuration moves from 28 to 26 MPG, down 2. Its annual cost goes from $2,310 to $2,470, $160 more.

Gas · 2.5L
Combined
25–26 MPG
Per year
$2,470–$2,600

Gas configurations (2)

2022 Mazda CX-30 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CX-30 2.5L 4-cyl (Most efficient) 2.5L 4-cyl 4WD 24 31 26 $2,470
CX-30 2.5L 4-cyl turbo 2.5L 4-cyl turbo 4WD 22 30 25 $2,600

2021 Mazda CX-30 MPG

25–28 MPG · $2,310–$2,600/yr

Versus 2020: The most efficient configuration stays at 28 MPG. Its annual cost stays at $2,310.

Gas · 2.5L
Combined
25–28 MPG
Per year
$2,310–$2,600

Gas configurations (5)

2021 Mazda CX-30 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CX-30 2.5L 4-cyl FWD Automatic (S6) (Most efficient) 2.5L 4-cyl FWD 25 33 28 $2,310
CX-30 2.5L 4-cyl FWD Automatic (S6) 2.5L 4-cyl FWD 25 33 28 $2,340
CX-30 2.5L 4-cyl 4WD Automatic (S6) 2.5L 4-cyl 4WD 24 31 26 $2,470
CX-30 2.5L 4-cyl 4WD Automatic (S6) 2.5L 4-cyl 4WD 24 31 26 $2,510
CX-30 2.5L 4-cyl turbo 2.5L 4-cyl turbo 4WD 22 30 25 $2,600

2020 Mazda CX-30 MPG

26–28 MPG · $2,310–$2,470/yr
Gas · 2.5L
Combined
26–28 MPG
Per year
$2,310–$2,470

Gas configurations (4)

2020 Mazda CX-30 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
CX-30 2.5L 4-cyl FWD Automatic (S6) (Most efficient) 2.5L 4-cyl FWD 25 33 28 $2,310
CX-30 2.5L 4-cyl FWD Automatic (S6) 2.5L 4-cyl FWD 25 33 28 $2,340
CX-30 2.5L 4-cyl 4WD Automatic (S6) 2.5L 4-cyl 4WD 25 32 27 $2,380
CX-30 2.5L 4-cyl 4WD Automatic (S6) 2.5L 4-cyl 4WD 24 31 26 $2,470

Fuel cost by state

Yearly cost of the CX-30 2.5L 4-cyl 4WD: $3,280 in California and $2,100 in Texas, a $1,180 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2026 small SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2020-2026 (DM)

Frequently asked questions

What gas mileage does the 2020-2026 Mazda CX-30 get?

EPA rates the 2020-2026 Mazda CX-30 at 25–29 MPG combined across 19 configurations and 7 model years. The most efficient version, the 2025 CX-30 2.5L 4-cyl 4WD, is rated 29 MPG (26 city, 33 highway).

Which years had the best MPG in the 2020-2026 Mazda CX-30?

The CX-30 2.5L 4-cyl 4WD reached the generation's best combined rating, 29 MPG, in 2023, 2024 and 2025. The lowest top rating, 26 MPG, was in 2022.

Did EPA ratings change during the 2020-2026 Mazda CX-30?

Yes. Ratings changed in 2021, 2022, 2023 and 2026. In 2024 and 2025 the values repeat the year before.

How much does it cost to fuel a 2026 Mazda CX-30 per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the CX-30 2.5L 4-cyl 4WD costs about $2,410 a year. Across all 2 configurations the cost runs $2,410–$2,600 a year. That is a $190 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2026 Mazda CX-30 100 miles?

About $16.07 per 100 miles for the CX-30 2.5L 4-cyl 4WD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $16.07 and $17.33 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2026 Mazda CX-30 more efficient in the city or on the highway?

The CX-30 2.5L 4-cyl 4WD is rated 24 city and 31 highway MPG, so it is more efficient on the highway, by 7 MPG.

How does the 2026 Mazda CX-30 compare with other small SUV configurations?

The CX-30 2.5L 4-cyl 4WD costs about $2,410 a year to fuel, $160 more than the class median of $2,250, and less than 4 of 10 small SUV configurations. The comparison covers all 296 rated small SUV configurations for MY2026, not weighted by sales.

Is the 2026 Mazda CX-30 different from the 2025 model?

The most efficient configuration moves from 29 to 27 MPG, down 2. Its annual cost goes from $2,270 to $2,410, $140 more. EPA lists 2 configurations for 2026 against 2 configurations for 2025. See the 2025 Mazda CX-30 for that year.