Infiniti FX45 MPG by year — every rating on record
The Infiniti FX45 has a combined EPA fuel economy rating for 6 model years, from 2003 to 2008. Across those years its best rated version returned 15 mpg (2003) and its thirstiest returned 14 mpg (2008). The EPA record holds 6 configurations for this nameplate, most recently a Sport Utility Vehicle - 4WD.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2003 | 1 | 15 mpg | 15 mpg | #52 of 81 (36th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
| 2004 | 1 | 15 mpg | 15 mpg | #56 of 85 (35th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
| 2005 | 1 | 15 mpg | 15 mpg | #62 of 87 (29th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
| 2006 | 1 | 15 mpg | 15 mpg | #69 of 93 (26th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
| 2007 | 1 | 15 mpg | 15 mpg | #85 of 106 (20th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
| 2008 | 1 | 14 mpg | 14 mpg | #98 of 108 (9th pct) | 4-Wheel or All-Wheel Drive | Premium | Sport Utility Vehicle - 4WD |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Infiniti FX45 placed highest in 2003 at #52 of 81, and lowest in 2008 at #98 of 108. It spent 0 of its 6 ranked years in the top half of its class.
Every configuration on record
All 6 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 13 | 17 | 14 | 821.4 | 21.3 | $5,550 | 634.7857142857143 | n/a |
| 2007 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 13 | 17 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2006 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 13 | 17 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2005 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 14 | 18 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2004 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 13 | 18 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2003 | 4.5L 8-cyl 4-Wheel or All-Wheel Drive Automatic (S5) Premium | 4.5L 8-cyl | 13 | 18 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 0 of 1 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2007 → 2008 | 15 → 14 mpg | -1 mpg | 821 gal |
What FX45 fuel costs over a year
At the EPA's 11,500 miles a year, the 2008 Infiniti FX45 burns 821 to 821 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $2,464 | $2,464 | $0 |
| $3.50/gal | $2,875 | $2,875 | $0 |
| $4.00/gal | $3,286 | $3,286 | $0 |
EPA’s own estimate for the 2008 model year is $5,550 to $5,550 a year in fuel, or $16,500 more than the average new vehicle over five years.
How it compares with other Sport Utility Vehicle - 4WD
Across the 219 nameplates EPA classifies as Sport Utility Vehicle - 4WD, the median best combined rating is 21 mpg. At 14 mpg the Infiniti FX45 is 7 mpg below the median, which is worth about $958 a year at $3.50 a gallon.
- All Sport Utility Vehicle - 4WD rankings — every nameplate in the class, best to worst.
Other Infiniti nameplates
Every Infiniti model compared → — all nameplates ranked by best combined rating, with what each one costs a year.