1984 Oldsmobile Ninety-Eight
3 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Ninety-Eight | 14 | 20 | 16 | Regular Gasoline | — | 5L 8-cyl | Automatic 4-spd |
| Ninety-Eight | 14 | 21 | 16 | Regular Gasoline | — | 5L 8-cyl | Automatic 4-spd |
| Ninety-Eight | 18 | 26 | 21 | Diesel | — | 5.7L 8-cyl | Automatic 4-spd |