2023 head-to-head · Small SUV
2023 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 2023 Mazda CX-30 (29 MPG) costs about $1,603 a year to fuel and the 2023 Subaru Outback (28 MPG) about $1,661.
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 | |
|---|---|---|
| $1,603 | Your annual fuel cost | $1,661 |
| 29 MPG | Combined efficiency | 28 MPG |
| 26 MPG | City | 26 MPG |
| 33 MPG | Highway | 32 MPG |
| 309 g/mi | Tailpipe CO₂ (g/mi) | 314 g/mi |
| 6/10 | EPA fuel economy score | 6/10 |
| 6/10 | EPA greenhouse gas score | 6/10 |
| 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 118 2023 small SUVs, the Mazda CX-30 ranks 43rd and the Subaru Outback 50th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 Mazda CX-30 or the 2023 Subaru Outback?
Measured by cost to drive, the Mazda CX-30. The Mazda CX-30 is rated 29 MPG combined and the Subaru Outback 28 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Mazda CX-30 vs. the Subaru Outback per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,603 for the Mazda CX-30 and $1,661 for the Subaru Outback.
Mazda CX-30 vs Subaru Outback in other years
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