2017 Mercedes-Benz AMG GLS63 vs 2017 Mercedes-Benz AMG S65
| EPA figure | 2017 Mercedes-Benz AMG GLS63 | 2017 Mercedes-Benz AMG S65 |
|---|---|---|
| Model year | 2017 | 2017 |
| Body · drive | SUV · 4-Wheel Drive · Gas | Large · Rear-Wheel Drive · Gas |
| Combined MPG | 14 | 16 |
| City / highway MPG | 13 / 17 | 13 / 22 |
| Fuel a year | $5,850 | $5,150 |
| Tailpipe CO₂ (g/mi) | 615 | 552 |
| Engine | 5.5 L 8-cyl turbo | 6.0 L 12-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.