Tank Ledger

Mazda CX-30 MPG by year — every rating on record

The Mazda CX-30 has a combined EPA fuel economy rating for 7 model years, from 2020 to 2026. Across those years its best rated version returned 29 mpg (2023) and its thirstiest returned 25 mpg (2021). The EPA record holds 19 configurations for this nameplate, most recently a Small Sport Utility Vehicle 4WD.

29best combined mpg (2023)
25worst combined mpg (2021)
27latest year best (2026)
19configurations on record

Year-by-year EPA ratings

Model yearConfigurationsBest combinedWorst combinedClass rank that yearDrivetrainsFuelEPA class
2020428 mpg26 mpg#16 of 63 (76th pct)Front-Wheel Drive, 4-Wheel DriveRegularSmall Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD
2021528 mpg25 mpg#24 of 63 (63th pct)Front-Wheel Drive, 4-Wheel DriveRegularSmall Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD
2022226 mpg25 mpg#59 of 151 (61th pct)4-Wheel DriveRegularSmall Sport Utility Vehicle 4WD
2023229 mpg25 mpg#52 of 166 (69th pct)4-Wheel DriveRegularSmall Sport Utility Vehicle 4WD
2024229 mpg25 mpg#61 of 176 (66th pct)4-Wheel DriveRegularSmall Sport Utility Vehicle 4WD
2025229 mpg25 mpg#82 of 194 (58th pct)4-Wheel DriveRegularSmall Sport Utility Vehicle 4WD
2026227 mpg25 mpg#106 of 188 (44th pct)4-Wheel DriveRegularSmall Sport Utility Vehicle 4WD

Where it has stood in its class

Ranked against every other nameplate the EPA filed under the same class that year. The Mazda CX-30 placed highest in 2020 at #16 of 63, and lowest in 2026 at #106 of 188. It spent 6 of its 7 ranked years in the top half of its class.

Every configuration on record

All 19 configurations EPA lists for this nameplate, newest first.

YearConfigurationEngine detailCityHighwayCombinedGallons/yrBarrels/yrEPA fuel cost/yrCO2 g/miGHG
20262.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20262.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI243127425.911.0$2,3003295/10
20252.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20252.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI263329396.610.3$2,1503096/10
20242.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20242.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI263329396.610.3$2,1503096/10
20232.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20232.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI263329396.610.3$2,1503096/10
20222.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20222.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI243126442.311.4$2,4003345/10
20212.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI, turbocharged223025460.011.9$2,5003535/10
20212.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI243126442.311.4$2,4003345/10
20212.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI; With Cylinder Deactivation243126442.311.4$2,4003415/10
20212.5L 4-cyl Front-Wheel Drive Automatic (S6) RegularSIDI253328410.710.6$2,2503136/10
20212.5L 4-cyl Front-Wheel Drive Automatic (S6) RegularSIDI; With Cylinder Deactivation253328410.710.6$2,2503196/10
20202.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI243126442.311.4$2,4003345/10
20202.5L 4-cyl 4-Wheel Drive Automatic (S6) RegularSIDI; With Cylinder Deactivation253227425.911.0$2,3003236/10
20202.5L 4-cyl Front-Wheel Drive Automatic (S6) RegularSIDI253328410.710.6$2,2503136/10
20202.5L 4-cyl Front-Wheel Drive Automatic (S6) RegularSIDI; With Cylinder Deactivation253328410.710.6$2,2503196/10

How the rating has moved between model years

Comparing the best-rated configuration of each year. 1 of 3 year-over-year steps improved the top rating.

ChangeBest combinedDeltaGallons a year at the newer rating
2021 → 202228 → 26 mpg-2 mpg442 gal
2022 → 202326 → 29 mpg+3 mpg397 gal
2025 → 202629 → 27 mpg-2 mpg426 gal

What CX-30 fuel costs over a year

At the EPA's 11,500 miles a year, the 2026 Mazda CX-30 burns 426 to 460 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.

Pump priceMost efficientThirstiestSpread
$3.00/gal$1,278$1,380$102
$3.50/gal$1,491$1,610$119
$4.00/gal$1,704$1,840$136

EPA’s own estimate for the 2026 model year is $2,300 to $2,500 a year in fuel, or $250 more than the average new vehicle over five years.

How it compares with other Small Sport Utility Vehicle 4WD

Across the 311 nameplates EPA classifies as Small Sport Utility Vehicle 4WD, the median best combined rating is 27 mpg. At 27 mpg the Mazda CX-30 is exactly at the median.

Other Mazda nameplates

Every Mazda model compared → — all nameplates ranked by best combined rating, with what each one costs a year.