2025 Audi S6 vs 2026 Cadillac CT5 V
| EPA figure | 2025 Audi S6 | 2026 Cadillac CT5 V |
|---|---|---|
| Model year | 2025 | 2026 |
| Body · drive | Midsize · All-Wheel Drive · Hybrid | Midsize · Rear-Wheel Drive · Gas |
| Combined MPG | 22 | 21 |
| City / highway MPG | 19 / 27 | 18 / 27 |
| Fuel a year | $3,750 | $3,900 |
| Tailpipe CO₂ (g/mi) | 408 | 423 |
| Engine | 2.9 L 6-cyl | 3.0 L 6-cyl turbo |
| Transmission | Automatic (S8) | Automatic (S10) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.