- Newest year: 2010
- Gas
- Standard SUVs
2004-2010 Infiniti QX56 MPG & Fuel Cost
7 model years · 14 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest standard SUV configurations to fuel, MY2010. Ranked against all rated configurations, not sales-weighted.
2004-2010 Infiniti QX56 at a glance
The 2004-2010 Infiniti QX56 covers 7 model years in the EPA database (14 configurations in all), rated 14 MPG combined. The newest model year, 2010, costs about $5,740 a year to fuel for its most efficient version, the QX56 5.6L 8-cyl RWD (14 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2007, 2008 and 2010; 2005, 2006 and 2009 repeat the values of the year before.
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
2004-2010 Infiniti QX56 by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2010 | Gas | 14 MPG | $5,740 | Ratings changed |
| 2009 | Gas | 14 MPG | $5,740 | Same EPA ratings as 2008 |
| 2008 | Gas | 14 MPG | $5,740 | Ratings changed |
| 2007 | Gas | 14 MPG | $5,740 | Ratings changed |
| 2006 | Gas | 14 MPG | $4,670 | Same EPA ratings as 2005 |
| 2005 | Gas | 14 MPG | $4,670 | Same EPA ratings as 2004 |
| 2004 | Gas | 14 MPG | $4,670 | First year |
What the 2010 QX56 5.6L 8-cyl RWD costs to drive
Per month
$478
$5,740 a year ÷ 12
Per 25 miles
$9.57
Per 100 miles
$38.27
Five years
$28,700
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$2,110more a year
Class median $3,630 a year, MY2010
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2010 Infiniti QX56 MPG
Versus 2009: The most efficient configuration stays at 14 MPG. Its annual cost stays at $5,740.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX56 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 12 | 18 | 14 | $5,740 |
| QX56 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 12 | 17 | 14 | $5,740 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2009 Infiniti QX56 MPG
Same EPA ratings as 2008
EPA lists the same ratings for the 2009 Infiniti QX56 as for the 2008 model, so the configurations and costs are the ones in the 2008 section above.See 2008
2008 Infiniti QX56 MPG
14 MPG · $5,740/yr
Versus 2007: The most efficient configuration stays at 14 MPG. Its annual cost stays at $5,740.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX56 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 12 | 18 | 14 | $5,740 |
| QX56 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 12 | 17 | 14 | $5,740 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2007 Infiniti QX56 MPG
14 MPG · $5,740/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Versus 2006: The most efficient configuration stays at 14 MPG. Its annual cost goes from $4,670 to $5,740, $1,070 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX56 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 12 | 17 | 14 | $5,740 |
| QX56 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 12 | 17 | 14 | $5,740 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2006 Infiniti QX56 MPG
Same EPA ratings as 2005
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2006 Infiniti QX56 as for the 2005 model, so the configurations and costs are the ones in the 2005 section above.See 2005
2005 Infiniti QX56 MPG
Same EPA ratings as 2004
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
EPA lists the same ratings for the 2005 Infiniti QX56 as for the 2004 model, so the configurations and costs are the ones in the 2004 section above.See 2004
2004 Infiniti QX56 MPG
14 MPG · $4,670/yr
EPA re-estimated ratings of 1985-2007 vehicles under its 2008 method; these figures are the re-estimated values.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| QX56 5.6L 8-cyl RWD (Most efficient) | 5.6L 8-cyl | RWD | 12 | 18 | 14 | $4,670 |
| QX56 5.6L 8-cyl 4WD | 5.6L 8-cyl | 4WD | 12 | 17 | 14 | $4,670 |
Fuel cost by state
Yearly cost of the QX56 5.6L 8-cyl RWD: $6,840 in California and $4,980 in Texas, a $1,860 difference.
- California $6,840
- Washington $6,440
- New York $5,670
- Florida $5,240
- Texas $4,980
Similar cars
Closest combined MPG among MY2010 standard SUV models.
Generations
- 2004-2010 (JA60)
- 2011-2013 (Z62)
Frequently asked questions
What gas mileage does the 2004-2010 Infiniti QX56 get?
EPA rates the 2004-2010 Infiniti QX56 at 14 MPG combined across 14 configurations and 7 model years. The most efficient version, the 2010 QX56 5.6L 8-cyl RWD, is rated 14 MPG (12 city, 18 highway).
Which years had the best MPG in the 2004-2010 Infiniti QX56?
Every model year of the 2004-2010 Infiniti QX56 tops out at 14 MPG combined, so no year is better than another.
Did EPA ratings change during the 2004-2010 Infiniti QX56?
Yes. Ratings changed in 2007, 2008 and 2010. In 2005, 2006 and 2009 the values repeat the year before.
How much does it cost to fuel a 2010 Infiniti QX56 per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the QX56 5.6L 8-cyl RWD costs about $5,740 a year. Across all 2 configurations the cost runs $5,740 a year.
How much does it cost to drive a 2010 Infiniti QX56 100 miles?
About $38.27 per 100 miles for the QX56 5.6L 8-cyl RWD 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 2010 Infiniti QX56 more efficient in the city or on the highway?
The QX56 5.6L 8-cyl RWD is rated 12 city and 18 highway MPG, so it is more efficient on the highway, by 6 MPG.
How does the 2010 Infiniti QX56 compare with other standard SUV configurations?
The QX56 5.6L 8-cyl RWD costs about $5,740 a year to fuel, $2,110 more than the class median of $3,630, and less than 0 of 10 standard SUV configurations. The comparison covers all 301 rated standard SUV configurations for MY2010, not weighted by sales.
Is the 2010 Infiniti QX56 different from the 2009 model?
The most efficient configuration stays at 14 MPG. Its annual cost stays at $5,740. EPA lists 2 configurations for 2010 against 2 configurations for 2009. See the 2009 Infiniti QX56 for that year.