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1984 Oldsmobile Ninety-Eight — 5.7L 8-cyl, Automatic 4-spd
This 1984 Oldsmobile Ninety-Eight (5.7L 8-cyl, Automatic 4-spd) runs on diesel. DIESEL
21
MPG combined (18 city / 26 hwy)
$3,700
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1984 Oldsmobile Ninety-Eight trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 5.0L 8-cyl, Automatic 4-spd | REGULAR | 16 | $3,900 |
| 5.0L 8-cyl, Automatic 4-spd | REGULAR | 16 | $3,900 |
EPA fuel type: Diesel · class: Large Cars · retrieved 2026-06-14.