← all 1998 Oldsmobile Eighty-Eight/Regency/LSS trims
1998 Oldsmobile Eighty-Eight/Regency/LSS — 3.8L 6-cyl, Automatic 4-spd, FWD
This 1998 Oldsmobile Eighty-Eight/Regency/LSS (3.8L 6-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR
19
MPG combined (16 city / 25 hwy)
$3,300
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1998 Oldsmobile Eighty-Eight/Regency/LSS trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.8L 6-cyl, Automatic 4-spd, FWD | REGULAR | 21 | $2,950 |
EPA fuel type: Regular · class: Large Cars · retrieved 2026-06-14.