Infiniti FX45 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Infiniti FX45 model year from 2003 to 2008 — each engine and transmission with its official city, highway and combined figures. Over these years the FX45 has been offered with 4.5L 8-cyl engines; the most efficient version is the 2007 (up to 15 MPG combined). Every rated gas version calls for premium gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Infiniti FX45 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2008 | 14 MPG | 4.5L 8-cyl | — | — |
| 2007 | 15 MPG | 4.5L 8-cyl | — | — |
| 2006 | 15 MPG | 4.5L 8-cyl | — | — |
| 2005 | 15 MPG | 4.5L 8-cyl | — | — |
| 2004 | 15 MPG | 4.5L 8-cyl | — | — |
| 2003 | 15 MPG | 4.5L 8-cyl | — | — |
2008 Infiniti FX45: engines & MPG
The 2008 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 14 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 13 | 17 | 14 MPG |
2007 Infiniti FX45: engines & MPG
The 2007 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 13 | 17 | 15 MPG |
2006 Infiniti FX45: engines & MPG
The 2006 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 13 | 17 | 15 MPG |
2005 Infiniti FX45: engines & MPG
The 2005 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 14 | 18 | 15 MPG |
2004 Infiniti FX45: engines & MPG
The 2004 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 13 | 18 | 15 MPG |
2003 Infiniti FX45: engines & MPG
The 2003 FX45 was EPA-rated in 1 version (4.5L 8-cyl), with combined economy of 15 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| FX45 AWD | 4.5L 8-cyl | Automatic (S5) | Premium | 13 | 18 | 15 MPG |
Frequently asked questions
What MPG does an Infiniti FX45 get?
Depending on year and engine, EPA combined ratings for the FX45 range from 14 to 15 MPG. The most efficient rated version is the 2007 model year.
What engines does the 2008 Infiniti FX45 have?
The 2008 FX45 was EPA-rated with 4.5L 8-cyl engines — see the 2008 table above for each version's exact city/highway figures.
Does the Infiniti FX45 require premium gas?
Yes — every EPA-rated gas FX45 version specifies premium gasoline.
https://vehisales.com/research/fuel-economy/infiniti/fx45.
See also: Infiniti FX45 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].