2026 Mazda CX-30 MPG and Fuel Cost
The 2026 Mazda CX-30 is rated 25 to 27 mpg combined across 2 EPA-tested gas versions; the best is the 2.5L 4-cyl · 4WD · 6-speed automatic.
EPA fuel economy
2026 Mazda CX-30 · 2 EPA-tested versionsBest EPA rating
27MPG combined
24 city 31 highway
$2,400 a year to fuel
2.5L 4-cyl · 4WD · 6-speed automatic
Best version costs $500 more in fuel over 5 years vs the average new vehicle (EPA)
Fuel cost: 15,000 miles a year at EPA's $4.32 a gallon (regular gas).
At EPA's price assumptions, fuel costs $2,400 to $2,600 a year. Compared with 2025, the best gas version is down 2 mpg.
Every 2026 CX-30 version
EPA's ratings for each version it tested. Fuel cost is EPA's estimate for 15,000 miles a year at its current prices.
| Version | Combined | City / Hwy | Fuel / year |
|---|---|---|---|
2.5L 4-cyl · 4WD · 6-speed automatic Best
EPA listing: CX-30 4WD |
27 mpg | 24 / 31 | $2,400 |
2.5L turbo 4-cyl · 4WD · 6-speed automatic
EPA listing: CX-30 4WD |
25 mpg | 22 / 30 | $2,600 |
Fuel cost at your prices
EPA's annual cost uses 15,000 miles a year, 55% city driving and its current prices: $4.32 a gallon for regular gas. Change the numbers to match your driving.
| Version | Per year | 5 years |
|---|---|---|
2.5L 4-cyl · 4WD · 6-speed automatic | $2,400 | $12,000 |
2.5L turbo 4-cyl · 4WD · 6-speed automatic | $2,592 | $12,960 |
At the default settings the results match EPA's annual cost before EPA rounds it to the nearest $50.
Mazda CX-30 MPG by model year
The best-rated version in each model year; the highlighted year is this page. Gas: 26 to 29 mpg (every year from 2020 to 2026); highest in 2023.
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 |
How the 2026 CX-30 compares
2026 subcompact SUVs covered on this site, ranked by their best combined rating. Fuel cost is for each model's cheapest version to run, at EPA's prices.
| 2026 model | Best combined | Best gas | Fuel / year |
|---|---|---|---|
Best: hybrid |
42 mpg | 32 mpg | $1,550 |
Best: hybrid |
36 mpg | 29 mpg | $1,800 |
Best: gas |
31 mpg | 31 mpg | $2,100 |
Best: gas |
30 mpg | 30 mpg | $2,150 |
Best: gas |
28 mpg | 28 mpg | $2,300 |
Mazda CX-30 This page Best: gas |
27 mpg | 27 mpg | $2,400 |
2026 CX-30 recalls and complaints
NHTSA lists 0 safety recalls and 4 owner complaints for the 2026 CX-30.What they cover, and crash test ratingsQuestions
Does the 2026 Mazda CX-30 need premium gas?
No. EPA lists every 2026 Mazda CX-30 version on regular gasoline.
How does the 2026 CX-30's MPG compare with the 2025?
For 2026, the best gas version is rated 27 mpg, down 2 from 29.
Sources and method
- US EPA and Department of Energy fuel economy data (fueleconomy.gov), file dated Sep 18, 2026.
- EPA fuel price assumptions: regular $4.32, midgrade $4.93, premium $5.32, diesel $6.29 a gallon; electricity $0.15 per kWh.
- Recall and complaint counts: NHTSA recall file dated Sep 27, 2026 and complaint file dated Sep 26, 2026.
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.