2017 head-to-head · Midsize Car
2017 Mazda 6 vs Subaru Impreza/Outback Sport
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2017 Subaru Impreza/Outback Sport is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,453 a year to fuel (32 MPG), versus $1,550 for the 2017 Mazda 6 (30 MPG). That's roughly $97 a year, or about $484 over five years.
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 6
- Subaru Impreza/Outback Sport
Side by side
| Mazda 6 | Subaru Impreza/Outback Sport | |
|---|---|---|
| $1,550 | Your annual fuel cost | $1,453 |
| 30 MPG | Combined efficiency | 32 MPG |
| 27 MPG | City | 28 MPG |
| 35 MPG | Highway | 38 MPG |
| 100 cu ft | Passenger volume | 100 cu ft |
| 15 cu ft | Cargo volume | 12 cu ft |
| 299 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 6 vs Subaru Impreza/Outback Sport across model years
- Mazda 6
- Subaru Impreza/Outback Sport
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 Mazda 6 has more cargo space (15 vs. 12 cu ft).
Among 67 2017 midsize cars, the Mazda 6 ranks 28th and the Subaru Impreza/Outback Sport 24th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Mazda 6 or the 2017 Subaru Impreza/Outback Sport?
Measured by cost to drive, the Subaru Impreza/Outback Sport. The Mazda 6 is rated 30 MPG combined and the Subaru Impreza/Outback Sport 32 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Mazda 6 vs. the Subaru Impreza/Outback Sport per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,550 for the Mazda 6 and $1,453 for the Subaru Impreza/Outback Sport.
Which has more cargo space?
The Mazda 6, with 15 cu ft of luggage volume versus 12 cu ft (EPA interior volume index).
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