2011 Cadillac STS vs 2011 Chevrolet Aveo
| EPA figure | 2011 Cadillac STS | 2011 Chevrolet Aveo |
|---|---|---|
| Model year | 2011 | 2011 |
| Body · drive | Midsize · Rear-Wheel Drive · Gas | Compact · Front-Wheel Drive · Gas |
| Combined MPG | 21 | 29 |
| City / highway MPG | 18 / 27 | 27 / 34 |
| Fuel a year | $3,200 | $2,300 |
| Tailpipe CO₂ (g/mi) | 423 | 306 |
| Engine | 3.6 L 6-cyl | 1.6 L 4-cyl |
| Transmission | Automatic (S6) | Manual 5-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.