2025 Audi S5 Sportback vs 2025 Mercedes-Benz AMG CLA45 S 4matic
| EPA figure | 2025 Audi S5 Sportback | 2025 Mercedes-Benz AMG CLA45 S 4matic |
|---|---|---|
| Model year | 2025 | 2025 |
| Body · drive | Midsize · All-Wheel Drive · Gas | Compact · All-Wheel Drive · Gas |
| Combined MPG | 23 | 23 |
| City / highway MPG | 20 / 29 | 20 / 28 |
| Fuel a year | $3,550 | $3,550 |
| Tailpipe CO₂ (g/mi) | 384 | 379 |
| Engine | 3.0 L 6-cyl turbo | 2.0 L 4-cyl turbo |
| Transmission | Automatic (S8) | Automatic (AM8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.