- Newest year: 2009
- Gas
- Standard SUVs
2009 Infiniti FX50 MPG & Fuel Cost
1 configuration · 16 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 standard SUV configurations, MY2009. Ranked against all rated configurations, not sales-weighted.
2009 Infiniti FX50 at a glance
The 2009 Infiniti FX50 has 1 configuration in the EPA database, rated 16 MPG combined. The most efficient is the FX50 5.0L 8-cyl 4WD at 16 MPG, which costs about $5,020 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The FX50 5.0L 8-cyl 4WD costs less to fuel than 1 of 10 standard SUV configurations rated for MY2009 (class median $3,840 a year).
What the 2009 FX50 5.0L 8-cyl 4WD costs to drive
Per month
$418
$5,020 a year ÷ 12
Per 25 miles
$8.37
Per 100 miles
$33.47
Five years
$25,100
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$1,180more a year
Class median $3,840 a year, MY2009
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2009 Infiniti FX50 MPG
Gas configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| FX50 (Most efficient) | 5.0L 8-cyl | 4WD | 14 | 20 | 16 | $5,020 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the FX50 5.0L 8-cyl 4WD: $5,990 in California and $4,350 in Texas, a $1,640 difference.
- California $5,990
- Washington $5,630
- New York $4,960
- Florida $4,590
- Texas $4,350
Similar cars
Closest combined MPG among MY2009 standard SUV models.
Generations
- 2009
- 2010-2013
Frequently asked questions
What gas mileage does the 2009 Infiniti FX50 get?
EPA rates the 2009 Infiniti FX50 at 16 MPG combined across 1 configuration. The most efficient, the FX50 5.0L 8-cyl 4WD, is rated 16 MPG combined (14 city / 20 highway).
How much does it cost to fuel a 2009 Infiniti FX50 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the FX50 5.0L 8-cyl 4WD costs about $5,020 a year. Across all 1 configuration the cost runs $5,020 a year.
How much does it cost to drive a 2009 Infiniti FX50 100 miles?
About $33.47 per 100 miles for the FX50 5.0L 8-cyl 4WD at premium gasoline $5.36/gal (U.S. average, Sep 2026). That is the annual cost over 15,000 miles divided by 150.
Is the 2009 Infiniti FX50 more efficient in the city or on the highway?
The FX50 5.0L 8-cyl 4WD is rated 14 city and 20 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2009 Infiniti FX50 compare with other standard SUV configurations?
The FX50 5.0L 8-cyl 4WD costs about $5,020 a year to fuel, $1,180 more than the class median of $3,840, and less than 1 of 10 standard SUV configurations. The comparison covers all 341 rated standard SUV configurations for MY2009, not weighted by sales.