Mercedes-Benz G55 AMG
12 MPG The 2011 Mercedes-Benz G55 AMG is EPA-rated at 12 MPG combined (11 city / 13 highway). Over 15,000 miles a year that is about 1250 gallons, $4000 a year in fuel, or $0.267 per mile at $3.20/gal.
Across its full 2003–2011 run it averages 12.2 MPG, falling by 1 MPG over 9 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 | $0.208 | $2083 | $3125 | $4167 |
| $3.00/gal | $0.250 | $2500 | $3750 | $5000 |
| $3.20/gal | $0.267 | $2667 | $4000 | $5333 |
| $3.50/gal | $0.292 | $2917 | $4375 | $5833 |
| $4.00/gal | $0.333 | $3333 | $5000 | $6667 |
| $4.50/gal | $0.375 | $3750 | $5625 | $7500 |
| $5.00/gal | $0.417 | $4167 | $6250 | $8333 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2011 | 12 MPG | 11 | 13 | $6400 | 741 | 1 |
| 2010 | 12 MPG | 11 | 15 | $6400 | 741 | 1 |
| 2009 | 12 MPG | 11 | 15 | $6400 | 741 | 1 |
| 2008 | 12 MPG | 11 | 13 | $6400 | 741 | 1 |
| 2007 | 12 MPG | 11 | 13 | $6400 | 741 | 1 |
| 2006 | 12 MPG | 11 | 13 | $6400 | 741 | 1 |
| 2005 | 12 MPG | 11 | 13 | $6400 | 741 | 1 |
| 2004 | 13 MPG | 12 | 14 | $5950 | 684 | 1 |
| 2003 | 13 MPG | 12 | 14 | $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 97 sport utility vehicle - 4wd models tracked here, the Mercedes-Benz G55 AMG ranks 96 on current figures, against a class average of 18.5 MPG.
Closest more-efficient alternatives in the same class: Lexus LX 470 (13), Mercedes-Benz G500 (13), Cadillac Escalade ESV AWD (14), Cadillac Escalade Ext AWD (14), GMC Yukon XL 1500 AWD (14).
Tailpipe CO₂ is rated at 741 grams per mile, which works out to roughly 11.1 tonnes a year at 15,000 miles.
Questions
What MPG does the Mercedes-Benz G55 AMG get?
The 2011 Mercedes-Benz G55 AMG is rated at 12 MPG combined by the EPA — 11 city and 13 highway. Across all 9 model years in the database it averages 12.2 MPG, ranging from 12 to 13 depending on year and trim.
How much does a Mercedes-Benz G55 AMG cost in fuel per year?
At 12 MPG and 15,000 miles a year, it burns about 1250 gallons — roughly $4000 a year with fuel at $3.20 a gallon, or $0.267 per mile. The EPA's own published annual figure for the 2011 model is $6400.
Has the Mercedes-Benz G55 AMG become more efficient over time?
No — it has actually gone backwards, from 13 MPG in 2003 to 12 in 2011. That usually reflects the model growing heavier, more powerful, or moving upmarket rather than the engineering getting worse.
Is the Mercedes-Benz G55 AMG efficient for its class?
It ranks 96 of 97 in the Sport Utility Vehicle - 4WD class on current figures, against a class average of 18.5 MPG. That is 6.5 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.