Infiniti M45x: MPG and fuel economy by year
The EPA has rated the Infiniti M45x across 3 model years, from the 2008 Infiniti M45x through the 2010 Infiniti M45x. The most recent 2010 Infiniti M45x returns 16 combined MPG.
Pick a year below to open the full Infiniti M45x 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 M45x. 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 |
|---|---|---|---|---|---|
| 2010 | 2010 Infiniti M45x | 16 MPG | 14 MPG | 20 MPG | $4,300 |
| 2009 | 2009 Infiniti M45x | 16 MPG | 14 MPG | 20 MPG | $4,300 |
| 2008 | 2008 Infiniti M45x | 16 MPG | 14 MPG | 20 MPG | $4,300 |
How the Infiniti M45x compares against the Large Cars class
Buyers usually compare the Infiniti M45x against other cars in the same EPA class. The list below shows the most efficient cars in the Large Cars class for the 2010 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.