M56
Rear-Wheel Drive · Automatic (S7) · Midsize Cars
- MPG combined
- 19
- City / highway
- 16 / 24
- Engine
- 5.6L 8-cyl
- Fuel
- Premium
- Annual fuel cost
- $4,350
- Tailpipe CO₂
- 476 g/mi

The Infiniti M56 has been sold in the US from 2011 to 2013, in 3 model years covered here. The 2013 line-up has 2 trims with 18–19 MPG combined.
Rear-Wheel Drive · Automatic (S7) · Midsize Cars
All-Wheel Drive · Automatic (S7) · Midsize Cars
Source: U.S. EPA / DOE fueleconomy.gov. Annual fuel cost is the EPA estimate for 15,000 miles a year at national average fuel and electricity prices.