2025 Mercedes-Benz AMG SL63 4matic Plus vs 2026 Bentley Bentayga
| EPA figure | 2025 Mercedes-Benz AMG SL63 4matic Plus | 2026 Bentley Bentayga |
|---|---|---|
| Model year | 2025 | 2026 |
| Body · drive | Minicompact · All-Wheel Drive · Gas | SUV · All-Wheel Drive · Gas |
| Combined MPG | 16 | 16 |
| City / highway MPG | 13 / 21 | 14 / 21 |
| Fuel a year | $5,150 | $5,150 |
| Tailpipe CO₂ (g/mi) | 558 | 553 |
| Engine | 4.0 L 8-cyl turbo | 4.0 L 8-cyl turbo |
| Transmission | Automatic 9-spd | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.