2026 head-to-head · Small SUV
2026 Mazda CX-30 vs Subaru Outback
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.10/gal regular gas, the most efficient 2026 Mazda CX-30 (27 MPG) costs about $1,722 a year to fuel and the 2026 Subaru Outback (27 MPG) about $1,722.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Mazda CX-30
- Subaru Outback
Side by side
| Mazda CX-30 | Subaru Outback | |
|---|---|---|
| $1,722 | Your annual fuel cost | $1,722 |
| 27 MPG | Combined efficiency | 27 MPG |
| 24 MPG | City | 25 MPG |
| 31 MPG | Highway | 31 MPG |
| 329 g/mi | Tailpipe CO₂ (g/mi) | 330 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 2.5L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| 4WD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Mazda CX-30 vs Subaru Outback across model years
- Mazda CX-30
- Subaru Outback
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 114 2026 small SUVs, the Mazda CX-30 ranks 67th and the Subaru Outback 66th for lowest fuel cost.
Frequently asked questions
How much does it cost to fuel the 2026 Mazda CX-30 vs. the Subaru Outback per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,722 for the Mazda CX-30 and $1,722 for the Subaru Outback.
Mazda CX-30 vs Subaru Outback in other years
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