2017 head-to-head · Midsize Car
2017 Mazda 6 vs Nissan Sentra
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 Nissan Sentra 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
- Nissan Sentra
Side by side
| Mazda 6 | Nissan Sentra | |
|---|---|---|
| $1,550 | Your annual fuel cost | $1,453 |
| 30 MPG | Combined efficiency | 32 MPG |
| 27 MPG | City | 29 MPG |
| 35 MPG | Highway | 37 MPG |
| 100 cu ft | Passenger volume | 96 cu ft |
| 15 cu ft | Cargo volume | 15 cu ft |
| 299 g/mi | Tailpipe CO₂ (g/mi) | 278 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 | 1.8L 4-cyl |
| 6-speed automatic | Transmission | CVT |
| FWD | Drivetrain | FWD |
✓ 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 Nissan Sentra across model years
- Mazda 6
- Nissan Sentra
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 passenger space (100 vs. 96 cu ft).
Among 67 2017 midsize cars, the Mazda 6 ranks 28th and the Nissan Sentra 23rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2017 Mazda 6 or the 2017 Nissan Sentra?
Measured by cost to drive, the Nissan Sentra. The Mazda 6 is rated 30 MPG combined and the Nissan Sentra 32 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2017 Mazda 6 vs. the Nissan Sentra 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 Nissan Sentra.
Mazda 6 vs Nissan Sentra in other years
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