Oldsmobile
Ninety-Eight
U.S. fuel economy and specifications from the EPA.
21Best combined MPG1984 model year
1984–1996Model years6 with EPA ratings
11Rated configurationsDrive, transmission and engine
3.8–5.7 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1984 21 MPG
1985 No rating
1986 No rating
1987 No rating
1988 No rating
1989 No rating
1990 No rating
1991 No rating
1992 19 MPG
1993 20 MPG
1994 20 MPG
1995 20 MPG
1996 21 MPG
1 configuration.
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
- 20
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 18
- 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
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
- 18
- Engine displacement
- 3.8 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Large Cars
- Combined MPG
- 18
- 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
Drive not reported · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 16
- Engine displacement
- 5.0 L
- Cylinders
- 8
Drive not reported · Automatic 4-spd
Diesel · Large Cars
- Combined MPG
- 21
- Engine displacement
- 5.7 L
- Cylinders
- 8
Drive not reported · Automatic 4-spd
Regular gasoline · Large Cars
- Combined MPG
- 16
- Engine displacement
- 5.0 L
- Cylinders
- 8