Infiniti QX56 2WD
16 MPG The 2013 Infiniti QX56 2WD is EPA-rated at 16 MPG combined (14 city / 20 highway). Over 15,000 miles a year that is about 938 gallons, $3000 a year in fuel, or $0.200 per mile at $3.20/gal.
Across its full 2004–2013 run it averages 14.6 MPG, improving by 2 MPG over 10 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.156 | $1563 | $2344 | $3125 |
| $3.00/gal | $0.188 | $1875 | $2813 | $3750 |
| $3.20/gal | $0.200 | $2000 | $3000 | $4000 |
| $3.50/gal | $0.219 | $2188 | $3281 | $4375 |
| $4.00/gal | $0.250 | $2500 | $3750 | $5000 |
| $4.50/gal | $0.281 | $2813 | $4219 | $5625 |
| $5.00/gal | $0.313 | $3125 | $4688 | $6250 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2013 | 16 MPG | 14 | 20 | $4800 | 559 | 1 |
| 2012 | 16 MPG | 14 | 20 | $4800 | 555 | 1 |
| 2011 | 16 MPG | 14 | 20 | $4800 | 555 | 1 |
| 2010 | 14 MPG | 12 | 18 | $5500 | 635 | 1 |
| 2009 | 14 MPG | 12 | 18 | $5500 | 635 | 1 |
| 2008 | 14 MPG | 12 | 18 | $5500 | 635 | 1 |
| 2007 | 14 MPG | 12 | 17 | $5500 | 635 | 1 |
| 2006 | 14 MPG | 12 | 18 | $4450 | 635 | 1 |
| 2005 | 14 MPG | 12 | 18 | $4450 | 635 | 1 |
| 2004 | 14 MPG | 12 | 18 | $4450 | 635 | 1 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 70 sport utility vehicle - 2wd models tracked here, the Infiniti QX56 2WD ranks 63 on current figures, against a class average of 20.8 MPG.
Closest more-efficient alternatives in the same class: Nissan Xterra V6 2WD (16.3), Chevrolet Blazer 2WD (16.5), Ford Explorer 2WD (16.5), GMC Envoy 2WD (16.5), GMC Yukon 1500 2WD (16.5).
Tailpipe CO₂ is rated at 559 grams per mile, which works out to roughly 8.4 tonnes a year at 15,000 miles.
Questions
What MPG does the Infiniti QX56 2WD get?
The 2013 Infiniti QX56 2WD is rated at 16 MPG combined by the EPA — 14 city and 20 highway. Across all 10 model years in the database it averages 14.6 MPG, ranging from 14 to 16 depending on year and trim.
How much does a Infiniti QX56 2WD cost in fuel per year?
At 16 MPG and 15,000 miles a year, it burns about 938 gallons — roughly $3000 a year with fuel at $3.20 a gallon, or $0.200 per mile. The EPA's own published annual figure for the 2013 model is $4800.
Has the Infiniti QX56 2WD become more efficient over time?
Yes. It has gone from 14 MPG in 2004 to 16 in 2013 — an improvement of 2 MPG, or 14% across 10 model years.
Is the Infiniti QX56 2WD efficient for its class?
It ranks 63 of 70 in the Sport Utility Vehicle - 2WD class on current figures, against a class average of 20.8 MPG. That is 4.8 worse than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.