2021 Audi RS 5 Sportback vs 2021 Audi S4
| EPA figure | 2021 Audi RS 5 Sportback | 2021 Audi S4 |
|---|---|---|
| Model year | 2021 | 2021 |
| Body · drive | Midsize · All-Wheel Drive · Gas | Compact · All-Wheel Drive · Gas |
| Combined MPG | 21 | 23 |
| City / highway MPG | 18 / 25 | 20 / 28 |
| Fuel a year | $3,900 | $3,550 |
| Tailpipe CO₂ (g/mi) | 428 | 380 |
| Engine | 2.9 L 6-cyl turbo | 3.0 L 6-cyl turbo |
| Transmission | Automatic (S8) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.