2018 head-to-head · Midsize Car
2018 Nissan Altima vs Subaru Legacy
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 2018 Nissan Altima is the cheaper one to run. Driving 15,000 miles a year with $3.10/gal regular gas, it costs about $1,500 a year to fuel (31 MPG), versus $1,603 for the 2018 Subaru Legacy (29 MPG). That's roughly $103 a year, or about $517 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
- Nissan Altima
- Subaru Legacy
Side by side
| Nissan Altima | Subaru Legacy | |
|---|---|---|
| $1,500 | Your annual fuel cost | $1,603 |
| 31 MPG | Combined efficiency | 29 MPG |
| 27 MPG | City | 25 MPG |
| 38 MPG | Highway | 34 MPG |
| 102 cu ft | Passenger volume | 105 cu ft |
| 15 cu ft | Cargo volume | 15 cu ft |
| 287 g/mi | Tailpipe CO₂ (g/mi) | 311 g/mi |
| 7/10 | EPA fuel economy score | 6/10 |
| 7/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Regular gasoline | Fuel | Regular gasoline |
| 2.5L 4-cyl | Engine / motor | 2.5L 4-cyl |
| CVT | 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.
Nissan Altima vs Subaru Legacy across model years
- Nissan Altima
- Subaru Legacy
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 74 2018 midsize cars, the Nissan Altima ranks 26th and the Subaru Legacy 32nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Nissan Altima or the 2018 Subaru Legacy?
Measured by cost to drive, the Nissan Altima. The Nissan Altima is rated 31 MPG combined and the Subaru Legacy 29 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Nissan Altima vs. the Subaru Legacy per year?
At 15,000 miles a year with $3.10/gal regular gas, about $1,500 for the Nissan Altima and $1,603 for the Subaru Legacy.
Nissan Altima vs Subaru Legacy in other years
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