2025 Audi S4 vs 2026 Cadillac CT4
| EPA figure | 2025 Audi S4 | 2026 Cadillac CT4 |
|---|---|---|
| Model year | 2025 | 2026 |
| Body · drive | Compact · All-Wheel Drive · Gas | Compact · Rear-Wheel Drive · Gas |
| Combined MPG | 24 | 25 |
| City / highway MPG | 20 / 29 | 21 / 31 |
| Fuel a year | $3,400 | $3,300 |
| Tailpipe CO₂ (g/mi) | 377 | 356 |
| Engine | 3.0 L 6-cyl turbo | 2.7 L 4-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.