2016 Cadillac ATS vs 2017 Cadillac XTS
| EPA figure | 2016 Cadillac ATS | 2017 Cadillac XTS |
|---|---|---|
| Model year | 2016 | 2017 |
| Body · drive | Compact · Rear-Wheel Drive · Gas | Large · Front-Wheel Drive · Gas |
| Combined MPG | 25 | 22 |
| City / highway MPG | 22 / 31 | 18 / 28 |
| Fuel a year | $3,300 | $3,050 |
| Tailpipe CO₂ (g/mi) | 349 | 412 |
| Engine | 2.0 L 4-cyl turbo | 3.6 L 6-cyl |
| Transmission | Automatic (S8) | Automatic (S6) |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.