2021 Mercedes-Benz GLS450 4matic vs 2021 Mercedes-Benz S500 4matic
| EPA figure | 2021 Mercedes-Benz GLS450 4matic | 2021 Mercedes-Benz S500 4matic |
|---|---|---|
| Model year | 2021 | 2021 |
| Body · drive | SUV · 4-Wheel Drive · Hybrid | Large · 4-Wheel Drive · Hybrid |
| Combined MPG | 21 | 24 |
| City / highway MPG | 20 / 24 | 20 / 29 |
| Fuel a year | $3,900 | $3,400 |
| Tailpipe CO₂ (g/mi) | 414 | 372 |
| Engine | 3.0 L 6-cyl turbo | 3.0 L 6-cyl |
| Transmission | Automatic 9-spd | Automatic 9-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.