2025 Audi RS 5 Sportback vs 2026 Porsche 911 Carrera S
| EPA figure | 2025 Audi RS 5 Sportback | 2026 Porsche 911 Carrera S |
|---|---|---|
| Model year | 2025 | 2026 |
| Body · drive | Midsize · All-Wheel Drive · Gas | Minicompact · Rear-Wheel Drive · Gas |
| Combined MPG | 20 | 20 |
| City / highway MPG | 18 / 25 | 17 / 24 |
| Fuel a year | $4,100 | $4,100 |
| Tailpipe CO₂ (g/mi) | 438 | 445 |
| Engine | 2.9 L 6-cyl turbo | 3.0 L 6-cyl turbo |
| Transmission | Automatic (S8) | Automatic (AM-S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.