Infiniti M56x: MPG and fuel economy by year

The EPA has rated the Infiniti M56x across 3 model years, from the 2011 Infiniti M56x through the 2013 Infiniti M56x. The most recent 2013 Infiniti M56x returns 18 combined MPG.

Pick a year below to open the full Infiniti M56x page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.

Fuel economy by model year

Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Infiniti M56x. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.

Year	Model	Combined MPG	City	Highway	Annual fuel cost
2013	2013 Infiniti M56x	18 MPG	16 MPG	23 MPG	$3,850
2012	2012 Infiniti M56x	18 MPG	16 MPG	23 MPG	$3,850
2011	2011 Infiniti M56x	18 MPG	16 MPG	23 MPG	$3,850

How the Infiniti M56x compares against the Midsize Cars class

Buyers usually compare the Infiniti M56x against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Cars class for the 2013 model year, the latest year on this page. Each link opens the full page for that car.

Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.