2005 Cadillac CTS vs 2006 Cadillac STS AWD
| EPA figure | 2005 Cadillac CTS | 2006 Cadillac STS AWD |
|---|---|---|
| Model year | 2005 | 2006 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Midsize · 4-Wheel or All-Wheel Drive · Gas |
| Combined MPG | 19 | 17 |
| City / highway MPG | 16 / 25 | 14 / 21 |
| Fuel a year | $3,550 | $4,850 |
| Tailpipe CO₂ (g/mi) | 468 | 523 |
| Engine | 2.8 L 6-cyl | 4.6 L 8-cyl |
| Transmission | Manual 6-spd | Automatic (S5) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.