2020 head-to-head · Midsize Car
2020 Mazda 3 vs Subaru Impreza
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 2020 Mazda 3 (30 MPG) costs about $1,550 a year to fuel and the 2020 Subaru Impreza (31 MPG) about $1,500.
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 3
- Subaru Impreza
Side by side
| Mazda 3 | Subaru Impreza | |
|---|---|---|
| $1,550 | Your annual fuel cost | $1,500 |
| 30 MPG | Combined efficiency | 31 MPG |
| 26 MPG | City | 28 MPG |
| 35 MPG | Highway | 36 MPG |
| 93 cu ft | Passenger volume | 100 cu ft |
| 20 cu ft | Cargo volume | 12 cu ft |
| 297 g/mi | Tailpipe CO₂ (g/mi) | 282 g/mi |
| 7/10 | EPA fuel economy score | 7/10 |
| 7/10 | EPA greenhouse gas score | 7/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 2.0L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| FWD | 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 3 vs Subaru Impreza across model years
- Mazda 3
- Subaru Impreza
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
Per EPA interior volume figures, the Subaru Impreza has more passenger space (100 vs. 93 cu ft); the Mazda 3 has more cargo space (20 vs. 12 cu ft).
Among 64 2020 midsize cars, the Mazda 3 ranks 27th and the Subaru Impreza 26th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Mazda 3 or the 2020 Subaru Impreza?
Measured by cost to drive, the Subaru Impreza. The Mazda 3 is rated 30 MPG combined and the Subaru Impreza 31 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Mazda 3 vs. the Subaru Impreza per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,550 for the Mazda 3 and $1,500 for the Subaru Impreza.
Which has more cargo space?
The Mazda 3, with 20 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
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