2011 · Midsize Car · Gas
2011 Infiniti M56 MPG & fuel economy
The 2011 Infiniti M56 is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 19 MPG combined (16 city / 25 highway) on premium gasoline. Across the lineup, combined ratings range from 18 to 19 MPG. Among 48 midsize cars rated for 2011, it ranks 44th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2011 Infiniti M56's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 16 | 6.8 | 14.7 |
| Highway | 25 | 10.6 | 9.4 |
| Combined | 19 | 8.1 | 12.4 |
How it ranks among 2011 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
M56 MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| RWD · 5.6L 8-cyl · 7-speed automatic M56 |
Gas | 16 MPG | 25 MPG | 19 MPG | — | $3,118 |
| AWD · 5.6L 8-cyl · 7-speed automatic M56x |
Gas | 16 MPG | 23 MPG | 18 MPG | — | $3,292 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 5.6L 8-cyl
- Transmission
- 7-speed automatic
- Drivetrain
- RWD
- Passenger volume
- 104 cu ft
- Cargo volume
- 15 cu ft
- Tailpipe CO₂
- 468 g/mi
2011 Infiniti M56 vs. rivals
Compare the 2011 M56
With any other car from any year, including other M56 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2011 Infiniti M56?
Up to 19 MPG combined (16 city / 25 highway); ratings range from 18 to 19 MPG depending on configuration.
What fuel does the 2011 Infiniti M56 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2011 Infiniti M56?
The 2011 Infiniti M56's fuel average is 8.1 km/L (12.4 L/100 km), or 19 MPG combined: 6.8 km/L in the city and 10.6 km/L on the highway.
How much does it cost to fuel the 2011 Infiniti M56 per year?
About $3,118 at 15,000 miles a year with $3.95/gal premium gas, or $20.79 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.