1985 Oldsmobile Ninety-Eight Regency
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Ninety-Eight Regency | 15 | 23 | 18 | Regular Gasoline | Front-Wheel Drive | 3L 6-cyl | Automatic 4-spd |
| Ninety-Eight Regency | 19 | 29 | 23 | Diesel | Front-Wheel Drive | 4.3L 6-cyl | Automatic 4-spd |
| Ninety-Eight Regency | 16 | 23 | 19 | Regular Gasoline | Front-Wheel Drive | 3L 6-cyl | Automatic 4-spd |
| Ninety-Eight Regency | 17 | 24 | 19 | Regular Gasoline | Front-Wheel Drive | 3.8L 6-cyl | Automatic 4-spd |
| Ninety-Eight Regency | 19 | 29 | 23 | Diesel | Front-Wheel Drive | 4.3L 6-cyl | Automatic 4-spd |