2026 Cadillac CT5 vs 2027 Mercedes-Benz E450 4matic
| EPA figure | 2026 Cadillac CT5 | 2027 Mercedes-Benz E450 4matic |
|---|---|---|
| Model year | 2026 | 2027 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Midsize · All-Wheel Drive · Hybrid |
| Combined MPG | 26 | 25 |
| City / highway MPG | 22 / 31 | 22 / 31 |
| Fuel a year | $3,150 | $3,300 |
| Tailpipe CO₂ (g/mi) | 346 | 355 |
| Engine | 2.0 L 4-cyl turbo | 3.0 L 6-cyl turbo supercharged |
| Transmission | Automatic (S10) | Automatic 9-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.