Infiniti · 2003–2010 · Gas
Infiniti M45 MPG by year
The EPA has rated 7 model years of the Infiniti M45, from 2003 to 2010. The most fuel-efficient year is the 2010, at 18 MPG combined in its best configuration. The 2010 model is 5% less efficient than the median large car that year (18 vs. 19 MPG).
Combined MPG by model year
- M45, most efficient version
- Range across configurations
- Class median
Shaded band: range across that year's configurations. Class median: same-year models in the same class, rated in MPG. Click a point to open that model year; the table below lists every value.
Every M45 model year
| Year | Type | Best combined | City / Hwy | Class median | Range | Configs | Fuel / yr |
|---|---|---|---|---|---|---|---|
| 2010 | Gas | 18 MPG lowest 16 |
16 / 21 | 19 | — | 2 | $3,292 |
| 2009 | Gas | 18 MPG lowest 16 |
16 / 21 | 19 | — | 2 | $3,292 |
| 2008 | Gas | 18 MPG lowest 16 |
16 / 21 | 18 | — | 2 | $3,292 |
| 2007 | Gas | 18 MPG | 16 / 21 | 18 | — | 1 | $3,292 |
| 2006 | Gas | 18 MPG | 16 / 21 | 18 | — | 1 | $3,292 |
| 2004 | Gas | 18 MPG | 16 / 22 | 24 | — | 1 | $3,292 |
| 2003 | Gas | 18 MPG | 16 / 22 | 24 | — | 1 | $3,292 |
Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.
Compare M45 model years
See how much a newer M45 would save over an older one.
Models similar to the Infiniti M45
Frequently asked questions
Which Infiniti M45 year has the best fuel economy?
The 2003 Infiniti M45, rated up to 18 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $3,292 a year.
What is the fuel economy of the latest Infiniti M45?
The 2010 Infiniti M45 is rated up to 18 MPG combined.