Oldsmobile
Eighty-Eight/Regency
U.S. fuel economy and specifications from the EPA.
20Best combined MPG1997 model year
1997–1999Model years2 with EPA ratings
4Rated configurationsDrive, transmission and engine
3.8 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1997 20 MPG
1998 No rating
1999 20 MPG
2 configurations.
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Large Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 20
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Large Cars
- Combined MPG
- 19
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 20
- Engine displacement
- 3.8 L
- Cylinders
- 6