Mercedes-Benz SL55 AMG MPG by year — every rating on record
The Mercedes-Benz SL55 AMG has a combined EPA fuel economy rating for 6 model years, from 2003 to 2008. Across those years its best rated version returned 15 mpg (2004) and its thirstiest returned 14 mpg (2003). The EPA record holds 6 configurations for this nameplate, most recently a Two Seaters.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2003 | 1 | 14 mpg | 14 mpg | #24 of 30 (21th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2004 | 1 | 15 mpg | 15 mpg | #24 of 32 (26th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2005 | 1 | 14 mpg | 14 mpg | #27 of 37 (28th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2006 | 1 | 15 mpg | 15 mpg | #26 of 39 (34th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2007 | 1 | 14 mpg | 14 mpg | #28 of 36 (23th pct) | Rear-Wheel Drive | Premium | Two Seaters |
| 2008 | 1 | 14 mpg | 14 mpg | #36 of 46 (22th pct) | Rear-Wheel Drive | Premium | Two Seaters |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Mercedes-Benz SL55 AMG placed highest in 2003 at #24 of 30, and lowest in 2008 at #36 of 46. It spent 0 of its 6 ranked years in the top half of its class.
Every configuration on record
All 6 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | 5.4L 8-cyl Rear-Wheel Drive Automatic (S5) Premium | 5.4L 8-cyl, supercharged | 12 | 17 | 14 | 821.4 | 21.3 | $5,550 | 634.7857142857143 | n/a |
| 2007 | 5.4L 8-cyl Rear-Wheel Drive Automatic (S5) Premium | 5.4L 8-cyl, supercharged | 12 | 17 | 14 | 821.4 | 21.3 | $5,550 | 634.7857142857143 | n/a |
| 2006 | 5.4L 8-cyl Rear-Wheel Drive Automatic (S5) Premium | 5.4L 8-cyl, supercharged | 12 | 19 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2005 | 5.4L 8-cyl Rear-Wheel Drive Automatic (S5) Premium | 5.4L 8-cyl, supercharged | 12 | 18 | 14 | 821.4 | 21.3 | $5,550 | 634.7857142857143 | n/a |
| 2004 | 5.4L 8-cyl Rear-Wheel Drive Automatic (S5) Premium | 5.4L 8-cyl, supercharged | 13 | 19 | 15 | 766.7 | 19.8 | $5,150 | 592.4666666666667 | n/a |
| 2003 | 5.5L 8-cyl Rear-Wheel Drive Automatic 5-spd Premium | GUZZLER, supercharged | 12 | 18 | 14 | 821.4 | 21.3 | $5,550 | 634.7857142857143 | n/a |
How the rating has moved between model years
Comparing the best-rated configuration of each year. 2 of 4 year-over-year steps improved the top rating.
| Change | Best combined | Delta | Gallons a year at the newer rating |
|---|---|---|---|
| 2003 → 2004 | 14 → 15 mpg | +1 mpg | 767 gal |
| 2004 → 2005 | 15 → 14 mpg | -1 mpg | 821 gal |
| 2005 → 2006 | 14 → 15 mpg | +1 mpg | 767 gal |
| 2006 → 2007 | 15 → 14 mpg | -1 mpg | 821 gal |
What SL55 AMG fuel costs over a year
At the EPA's 11,500 miles a year, the 2008 Mercedes-Benz SL55 AMG burns 821 to 821 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $2,464 | $2,464 | $0 |
| $3.50/gal | $2,875 | $2,875 | $0 |
| $4.00/gal | $3,286 | $3,286 | $0 |
EPA’s own estimate for the 2008 model year is $5,550 to $5,550 a year in fuel, or $16,500 more than the average new vehicle over five years.
How it compares with other Two Seaters
Across the 263 nameplates EPA classifies as Two Seaters, the median best combined rating is 18 mpg. At 14 mpg the Mercedes-Benz SL55 AMG is 4 mpg below the median, which is worth about $639 a year at $3.50 a gallon.
- All Two Seaters rankings — every nameplate in the class, best to worst.
Other Mercedes-Benz nameplates
Every Mercedes-Benz model compared → — all nameplates ranked by best combined rating, with what each one costs a year.