Pontiac
Grand Prix Turbo
U.S. fuel economy and specifications from the EPA.
18Best combined MPG1990 model year
1989–1990Model years2 with EPA ratings
2Rated configurationsDrive, transmission and engine
3.1 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
1989 17 MPG
1990 18 MPG
1 configuration.
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.1 L
- Cylinders
- 6
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Midsize Cars
- Combined MPG
- 17
- Engine displacement
- 3.1 L
- Cylinders
- 6