Infiniti · 2003–2008 · Gas

Infiniti FX45 MPG by year

The EPA has rated 6 model years of the Infiniti FX45, from 2003 to 2008. The most fuel-efficient year is the 2007, at 15 MPG combined in its best configuration. The best 2008 model is 7% less efficient than the best 2003 model (14 vs. 15 MPG). The 2008 model is 22% less efficient than the median SUV that year (14 vs. 18 MPG).

Most efficient year200715 MPG combined
Latest (2008)14 MPG$4,232/yr to fuel
First rated (2003)15 MPG$3,950/yr at today's prices
Model years rated66 configurations

Combined MPG by model year

  • FX45, 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 FX45 model year

YearTypeBest combinedCity / HwyClass medianRangeConfigsFuel / yr
2008 Gas 14 MPG 13 / 17 18 — 1 $4,232
2007 Gas 15 MPG 13 / 17 18 — 1 $3,950
2006 Gas 15 MPG 13 / 17 17 — 1 $3,950
2005 Gas 15 MPG 14 / 18 17 — 1 $3,950
2004 Gas 15 MPG 13 / 18 17 — 1 $3,950
2003 Gas 15 MPG 13 / 18 17 — 1 $3,950

Fuel cost uses today's default prices for every year so model years compare like for like. Sort any column.

Compare FX45 model years

See how much a newer FX45 would save over an older one.

Models similar to the Infiniti FX45

Frequently asked questions

Which Infiniti FX45 year has the best fuel economy?

The 2003 Infiniti FX45, rated up to 15 MPG combined. At 15,000 miles a year with $3.95/gal premium gas, that works out to about $3,950 a year.

Which Infiniti FX45 year has the worst fuel economy?

The 2008 model, whose most efficient version is rated 14 MPG combined (about $4,232 a year to fuel).

What is the fuel economy of the latest Infiniti FX45?

The 2008 Infiniti FX45 is rated up to 14 MPG combined.

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