Mazda CX-30 MPG by Year
EPA rates the best gas CX-30 of each model year at 26 to 29 mpg combined.
Every year from 2020 to 2026 is below, with city and highway ratings and EPA's yearly cost to run each version.
Every CX-30 model year
Newest first. Each cell is the best-rated version of that kind that year, with its city and highway ratings and EPA's yearly cost to run it. Open a year for every version.
| Model year | Best gas |
|---|---|
| 27 mpg 24 city / 31 hwy $2,300 a year | |
| 29 mpg 26 city / 33 hwy $2,150 a year | |
| 29 mpg 26 city / 33 hwy $2,150 a year | |
| 29 mpg 26 city / 33 hwy $2,150 a year | |
| 26 mpg 24 city / 31 hwy $2,400 a year | |
| 28 mpg 25 city / 33 hwy $2,200 a year | |
| 28 mpg 25 city / 33 hwy $2,200 a year |
When the best ratings changed
Each year against the model year before it. Years not listed kept the same best ratings.
- 2022 Gas down 2 mpg to 26
- 2023 Gas up 3 mpg to 29
- 2026 Gas down 2 mpg to 27
Mazda CX-30 best combined rating by model year
The best-rated gas version of each model year, from EPA.
2026: gas 27 mpgTap or drag across the chart for other years.
Show as a table
| Model year | Best gas version |
|---|---|
| 2020 | 28 |
| 2021 | 28 |
| 2022 | 26 |
| 2023 | 29 |
| 2024 | 29 |
| 2025 | 29 |
| 2026 | 27 |
CX-30 years to avoid and problems by year
Questions
Which Mazda CX-30 year has the best MPG?
By EPA's ratings, the best gas CX-30 gets 29 mpg combined (2023 to 2025).
How much does a year of fuel cost for a Mazda CX-30?
At EPA's current prices and 15,000 miles a year, the best gas version costs $2,150 (2023 to 2025) to $2,400 (2022). Each year's page has the cost of every version.
Sources and method
- US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Nov 4, 2026.
- EPA fuel price assumptions: regular $4.00, midgrade $4.61, premium $5.01, diesel $6.13 a gallon; electricity $0.15 per kWh. The yearly cost is EPA's estimate for 15,000 miles, 55% of them in the city; a plug-in hybrid's assumes EPA's typical mix of charging and gas.
Ratings are EPA estimates. Real-world mileage depends on how, where and in what weather you drive. How we build these pages. Spotted an error? Tell us.