Bentley Arnage
11 MPG The 2009 Bentley Arnage is EPA-rated at 11 MPG combined (10 city / 14 highway). Over 15,000 miles a year that is about 1364 gallons, $4364 a year in fuel, or $0.291 per mile at $3.20/gal.
Across its full 1999–2009 run it averages 11.4 MPG, falling by 2 MPG over 11 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 | $0.227 | $2273 | $3409 | $4545 |
| $3.00/gal | $0.273 | $2727 | $4091 | $5455 |
| $3.20/gal | $0.291 | $2909 | $4364 | $5818 |
| $3.50/gal | $0.318 | $3182 | $4773 | $6364 |
| $4.00/gal | $0.364 | $3636 | $5455 | $7273 |
| $4.50/gal | $0.409 | $4091 | $6136 | $8182 |
| $5.00/gal | $0.455 | $4545 | $6818 | $9091 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2009 | 11 MPG | 10 | 14 | $7000 | 808 | 1 |
| 2008 | 11 MPG | 10 | 15 | $7000 | 808 | 1 |
| 2007 | 11 MPG | 10 | 15 | $7000 | 808 | 1 |
| 2006 | 11 MPG | 9 | 13 | $7000 | 808 | 1 |
| 2005 | 11 MPG | 9 | 13 | $7000 | 808 | 1 |
| 2004 | 11 MPG | 9 | 13 | $7000 | 808 | 1 |
| 2003 | 11 MPG | 9 | 13 | $7000 | 808 | 1 |
| 2002 | 11 MPG | 9 | 14 | $7000 | 808 | 1 |
| 2001 | 12 MPG | 10 | 15 | $6400 | 741 | 1 |
| 2000 | 12 MPG | 10.5 | 15 | $6400 | 741 | 2 |
| 1999 | 13 MPG | 11 | 15 | $5950 | 684 | 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 261 midsize cars models tracked here, the Bentley Arnage ranks 260 on current figures, against a class average of 27.3 MPG.
Closest more-efficient alternatives in the same class: Ferrari 612 Scaglietti (11.5), Bentley Mulsanne (12), Ferrari FF (13), Bentley Continental Flying Spur (14), BMW 750il (14).
Tailpipe CO₂ is rated at 808 grams per mile, which works out to roughly 12.1 tonnes a year at 15,000 miles.
Questions
What MPG does the Bentley Arnage get?
The 2009 Bentley Arnage is rated at 11 MPG combined by the EPA — 10 city and 14 highway. Across all 11 model years in the database it averages 11.4 MPG, ranging from 11 to 13 depending on year and trim.
How much does a Bentley Arnage cost in fuel per year?
At 11 MPG and 15,000 miles a year, it burns about 1364 gallons — roughly $4364 a year with fuel at $3.20 a gallon, or $0.291 per mile. The EPA's own published annual figure for the 2009 model is $7000.
Has the Bentley Arnage become more efficient over time?
No — it has actually gone backwards, from 13 MPG in 1999 to 11 in 2009. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the Bentley Arnage efficient for its class?
It ranks 260 of 261 in the Midsize Cars class on current figures, against a class average of 27.3 MPG. That is 16.3 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.