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.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2020 | 4 | 28 mpg | 26 mpg | #16 of 63 (76th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Small Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD |
| 2021 | 5 | 28 mpg | 25 mpg | #24 of 63 (63th pct) | Front-Wheel Drive, 4-Wheel Drive | Regular | Small Sport Utility Vehicle 2WD, Small Sport Utility Vehicle 4WD |
| 2022 | 2 | 26 mpg | 25 mpg | #59 of 151 (61th pct) | 4-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD |
| 2023 | 2 | 29 mpg | 25 mpg | #52 of 166 (69th pct) | 4-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD |
| 2024 | 2 | 29 mpg | 25 mpg | #61 of 176 (66th pct) | 4-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD |
| 2025 | 2 | 29 mpg | 25 mpg | #82 of 194 (58th pct) | 4-Wheel Drive | Regular | Small Sport Utility Vehicle 4WD |
| 2026 | 2 | 27 mpg | 25 mpg | #106 of 188 (44th pct) | 4-Wheel Drive | Regular | Small 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.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2026 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 24 | 31 | 27 | 425.9 | 11.0 | $2,300 | 329 | 5/10 |
| 2025 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2025 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 26 | 33 | 29 | 396.6 | 10.3 | $2,150 | 309 | 6/10 |
| 2024 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2024 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 26 | 33 | 29 | 396.6 | 10.3 | $2,150 | 309 | 6/10 |
| 2023 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2023 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 26 | 33 | 29 | 396.6 | 10.3 | $2,150 | 309 | 6/10 |
| 2022 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2022 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 24 | 31 | 26 | 442.3 | 11.4 | $2,400 | 334 | 5/10 |
| 2021 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI, turbocharged | 22 | 30 | 25 | 460.0 | 11.9 | $2,500 | 353 | 5/10 |
| 2021 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 24 | 31 | 26 | 442.3 | 11.4 | $2,400 | 334 | 5/10 |
| 2021 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI; With Cylinder Deactivation | 24 | 31 | 26 | 442.3 | 11.4 | $2,400 | 341 | 5/10 |
| 2021 | 2.5L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 25 | 33 | 28 | 410.7 | 10.6 | $2,250 | 313 | 6/10 |
| 2021 | 2.5L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI; With Cylinder Deactivation | 25 | 33 | 28 | 410.7 | 10.6 | $2,250 | 319 | 6/10 |
| 2020 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI | 24 | 31 | 26 | 442.3 | 11.4 | $2,400 | 334 | 5/10 |
| 2020 | 2.5L 4-cyl 4-Wheel Drive Automatic (S6) Regular | SIDI; With Cylinder Deactivation | 25 | 32 | 27 | 425.9 | 11.0 | $2,300 | 323 | 6/10 |
| 2020 | 2.5L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI | 25 | 33 | 28 | 410.7 | 10.6 | $2,250 | 313 | 6/10 |
| 2020 | 2.5L 4-cyl Front-Wheel Drive Automatic (S6) Regular | SIDI; With Cylinder Deactivation | 25 | 33 | 28 | 410.7 | 10.6 | $2,250 | 319 | 6/10 |
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.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2021 → 2022 | 28 → 26 mpg | -2 mpg | 442 gal |
| 2022 → 2023 | 26 → 29 mpg | +3 mpg | 397 gal |
| 2025 → 2026 | 29 → 27 mpg | -2 mpg | 426 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 price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $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.
- All Small Sport Utility Vehicle 4WD rankings — every nameplate in the class, best to worst.
Other Mazda nameplates
Every Mazda model compared → — all nameplates ranked by best combined rating, with what each one costs a year.