Oldsmobile
Eighty-Eight/Regency/LSS
U.S. fuel economy and specifications from the EPA.
21Best combined MPG1998 model year
1998Model years1 with EPA ratings
2Rated configurationsDrive, transmission and engine
3.8 LEngine sizeDisplacement
2 configurations.
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 21
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6