Pontiac
Grand Prix Ste Turbo
U.S. fuel economy and specifications from the EPA.
18Best combined MPG1990 model year
1990Model years1 with EPA ratings
1Rated configurationDrive, transmission and engine
3.1 LEngine sizeDisplacement
1 configuration.
Front-Wheel Drive · Automatic 4-spd
Premium gasoline · Midsize Cars
- Combined MPG
- 18
- Engine displacement
- 3.1 L
- Cylinders
- 6