Oldsmobile Ninety-Eight Regency MPG by Year
| Year | Combined | Fuel | Cost per 100 miles | Trims | Recalls |
|---|---|---|---|---|---|
| 1987 | 19 | Regular gasoline | $21.25 | 1 | – |
| 1986 | 20 | Regular gasoline | $20.19 | 1 | – |
| 1985 | 18–23 | Diesel, Regular gasoline | $26.99 | 5 | – |
Fuel economy: U.S. EPA fueleconomy.gov