2012 Mercedes-Benz SL63 AMG vs 2012 Mercedes-Benz SLS AMG Roadster
| EPA figure | 2012 Mercedes-Benz SL63 AMG | 2012 Mercedes-Benz SLS AMG Roadster |
|---|---|---|
| Model year | 2012 | 2012 |
| Body · drive | Two Seaters · Rear-Wheel Drive · Gas | Two Seaters · Rear-Wheel Drive · Gas |
| Combined MPG | 14 | 16 |
| City / highway MPG | 12 / 19 | 14 / 20 |
| Fuel a year | $5,850 | $5,150 |
| Tailpipe CO₂ (g/mi) | 635 | 555 |
| Engine | 6.2 L 8-cyl | 6.2 L 8-cyl |
| Transmission | Automatic 7-spd | Automatic (AM7) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.