2014 Mercedes-Benz CLS550 vs 2014 Mercedes-Benz CLS63 AMG S
| EPA figure | 2014 Mercedes-Benz CLS550 | 2014 Mercedes-Benz CLS63 AMG S |
|---|---|---|
| Model year | 2014 | 2014 |
| Body · drive | Compact · Rear-Wheel Drive · Gas | Compact · Rear-Wheel Drive · Gas |
| Combined MPG | 20 | 19 |
| City / highway MPG | 17 / 25 | 16 / 25 |
| Fuel a year | $4,100 | $4,350 |
| Tailpipe CO₂ (g/mi) | 443 | 469 |
| Engine | 4.7 L 8-cyl turbo | 5.5 L 8-cyl turbo |
| Transmission | Automatic 7-spd | Automatic 7-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.