2006 Cadillac STS vs 2006 Cadillac XLR
| EPA figure | 2006 Cadillac STS | 2006 Cadillac XLR |
|---|---|---|
| Model year | 2006 | 2006 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Two Seaters · Rear-Wheel Drive · Gas |
| Combined MPG | 19 | 18 |
| City / highway MPG | 16 / 25 | 15 / 23 |
| Fuel a year | $3,550 | $4,550 |
| Tailpipe CO₂ (g/mi) | 468 | 494 |
| Engine | 3.6 L 6-cyl | 4.6 L 8-cyl |
| Transmission | Automatic (S5) | Automatic (S5) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.