- Newest year: 2009
- Gas
- Standard SUVs
2009 Infiniti FX35 MPG & Fuel Cost
2 configurations · 18–19 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 3 of 10 standard SUV configurations, MY2009. Ranked against all rated configurations, not sales-weighted.
2009 Infiniti FX35 at a glance
The 2009 Infiniti FX35 has 2 configurations in the EPA database, rated 18–19 MPG combined. The most efficient is the FX35 3.5L 6-cyl RWD at 19 MPG, which costs about $4,230 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). Annual fuel cost across the configurations runs from $4,230 to $4,460, a $230 difference. The FX35 3.5L 6-cyl RWD costs less to fuel than 3 of 10 standard SUV configurations rated for MY2009 (class median $3,840 a year).
What the 2009 FX35 3.5L 6-cyl RWD costs to drive
Per month
$353
$4,230 a year ÷ 12
Per 25 miles
$7.05
Per 100 miles
$28.20
Five years
$21,150
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$390more 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 FX35 MPG
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| FX35 3.5L 6-cyl RWD (Most efficient) | 3.5L 6-cyl | RWD | 16 | 23 | 19 | $4,230 |
| FX35 3.5L 6-cyl 4WD | 3.5L 6-cyl | 4WD | 16 | 21 | 18 | $4,460 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the FX35 3.5L 6-cyl RWD: $5,040 in California and $3,670 in Texas, a $1,370 difference.
- California $5,040
- Washington $4,740
- New York $4,180
- Florida $3,860
- Texas $3,670
Similar cars
Closest combined MPG among MY2009 standard SUV models.
Generations
- 2003-2008 (S50)
- 2009
- 2010-2012
Frequently asked questions
How does the 2009 Infiniti FX35 compare with the previous generation?
The previous generation (2003-2008 Infiniti FX35) is rated 17–18 MPG combined and costs $3,630–$4,730 a year to fuel; the 2009 model is rated 18–19 MPG and costs $4,230–$4,460 a year.
What gas mileage does the 2009 Infiniti FX35 get?
EPA rates the 2009 Infiniti FX35 at 18–19 MPG combined across 2 configurations. The most efficient, the FX35 3.5L 6-cyl RWD, is rated 19 MPG combined (16 city / 23 highway).
How much does it cost to fuel a 2009 Infiniti FX35 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the FX35 3.5L 6-cyl RWD costs about $4,230 a year. Across all 2 configurations the cost runs $4,230–$4,460 a year. That is a $230 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2009 Infiniti FX35 100 miles?
About $28.20 per 100 miles for the FX35 3.5L 6-cyl RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $28.20 and $29.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2009 Infiniti FX35 more efficient in the city or on the highway?
The FX35 3.5L 6-cyl RWD is rated 16 city and 23 highway MPG, so it is more efficient on the highway, by 7 MPG.
How does the 2009 Infiniti FX35 compare with other standard SUV configurations?
The FX35 3.5L 6-cyl RWD costs about $4,230 a year to fuel, $390 more than the class median of $3,840, and less than 3 of 10 standard SUV configurations. The comparison covers all 341 rated standard SUV configurations for MY2009, not weighted by sales.
Is the 2009 Infiniti FX35 different from the 2008 model?
The most efficient configuration moves from 18 to 19 MPG, up 1. Its annual cost goes from $4,460 to $4,230, $230 less. EPA lists 2 configurations for 2009 against 2 configurations for 2008. See the 2008 Infiniti FX35 for that year.