2010 Cadillac CTS vs 2011 Cadillac STS
| EPA figure | 2010 Cadillac CTS | 2011 Cadillac STS |
|---|---|---|
| Model year | 2010 | 2011 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Midsize · Rear-Wheel Drive · Gas |
| Combined MPG | 22 | 21 |
| City / highway MPG | 18 / 27 | 18 / 27 |
| Fuel a year | $3,050 | $3,200 |
| Tailpipe CO₂ (g/mi) | 404 | 423 |
| Engine | 3.0 L 6-cyl | 3.6 L 6-cyl |
| Transmission | Automatic (S6) | Automatic (S6) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.