2015 · Midsize Car · Gas
2015 Mazda 6 MPG & fuel economy
The 2015 Mazda 6 is a midsize car offered in 3 EPA-rated configurations. The most efficient version returns 32 MPG combined (28 city / 39 highway) on regular gasoline. Across the lineup, combined ratings range from 29 to 32 MPG. Efficiency is unchanged from the 2014 model. Among 69 midsize cars rated for 2015, it ranks 17th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,453 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2015 Mazda 6's fuel average is 13.6 km/L (7.4 L/100 km), or 32 MPG combined: 11.9 km/L in the city and 16.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 28 | 11.9 | 8.4 |
| Highway | 39 | 16.6 | 6.0 |
| Combined | 32 | 13.6 | 7.4 |
How it ranks among 2015 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
6 MPG across model years
Full history →3 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 2.5L 4-cyl · 6-speed automatic 6 |
Gas | 28 MPG | 39 MPG | 32 MPG | — | $1,453 |
| FWD · 2.5L 4-cyl · 6-speed automatic 6 |
Gas | 26 MPG | 37 MPG | 30 MPG | — | $1,550 |
| FWD · 2.5L 4-cyl · 6-speed manual 6 |
Gas | 25 MPG | 35 MPG | 29 MPG | — | $1,603 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.5L 4-cyl
- Transmission
- 6-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 100 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 280 g/mi
- EPA fuel economy score
- 8/10
- EPA greenhouse gas score
- 8/10
2015 Mazda 6 vs. rivals
Compare the 2015 6
With any other car from any year, including other 6 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2015 Mazda 6?
Up to 32 MPG combined (28 city / 39 highway); ratings range from 29 to 32 MPG depending on configuration.
What fuel does the 2015 Mazda 6 use?
Regular gasoline.
What is the fuel average in km/L for the 2015 Mazda 6?
The 2015 Mazda 6's fuel average is 13.6 km/L (7.4 L/100 km), or 32 MPG combined: 11.9 km/L in the city and 16.6 km/L on the highway.
How much does it cost to fuel the 2015 Mazda 6 per year?
About $1,453 at 15,000 miles a year with $3.10/gal regular gas, or $9.69 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.