1985 Oldsmobile Calais vs 1986 Oldsmobile Ninety-Eight Regency
| EPA figure | 1985 Oldsmobile Calais | 1986 Oldsmobile Ninety-Eight Regency |
|---|---|---|
| Model year | 1985 | 1986 |
| Body · drive | Compact · Front-Wheel Drive · Gas | Large · Front-Wheel Drive · Gas |
| Combined MPG | 25 | 20 |
| City / highway MPG | 21 / 31 | 17 / 27 |
| Fuel a year | $2,700 | $3,350 |
| Tailpipe CO₂ (g/mi) | 355 | 444 |
| Engine | 2.5 L 4-cyl | 3.8 L 6-cyl |
| Transmission | Manual 5-spd | Automatic 4-spd |
▲ marks the better official figure on that line: more range, MPG or MPGe; less fuel cost or CO₂. From fueleconomy.gov.