2015 Audi S5 vs 2015 Audi S8
| EPA figure | 2015 Audi S5 | 2015 Audi S8 |
|---|---|---|
| Model year | 2015 | 2015 |
| Body · drive | Subcompact · All-Wheel Drive · Gas | Midsize · All-Wheel Drive · Gas |
| Combined MPG | 21 | 20 |
| City / highway MPG | 18 / 28 | 16 / 27 |
| Fuel a year | $3,900 | $4,100 |
| Tailpipe CO₂ (g/mi) | 413 | 452 |
| Engine | 3.0 L 6-cyl supercharged | 4.0 L 8-cyl turbo |
| Transmission | Automatic (AM-S7) | Automatic (S8) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.