Photo: Pontiac Grand Prix by IFCAR, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.
Pontiac · model year 1990
1990 Pontiac Grand Prix Ste Turbo
Midsize · Front-Wheel Drive · Gas · EPA class: Midsize Cars
EPA figures · 1990fueleconomy.gov
18MPG combined
15/23MPG city / highway
$4,550fuel a year
494 g CO₂ per mile 3.1 L 6-cyl turbo Automatic 4-spd
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
Every figure on record
- Combined MPG
- 18 MPG
- City MPG
- 15 MPG
- Highway MPG
- 23 MPG
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 494 g per mile
- Model year
- 1990
- Body
- Car
- EPA size class
- Midsize Cars
- Drive
- Front-Wheel Drive
- Engine
- 3.1 L 6-cyl turbo
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More Pontiac model years
1990 Pontiac Grand Am
23 MPG · $2,900 fuel a year 1990 Pontiac Grand Am
23 MPG · $2,900 fuel a year 1990 Pontiac Grand Am
23 MPG · $2,900 fuel a year 1990 Pontiac Grand Prix
22 MPG · $3,050 fuel a year 1990 Pontiac Grand Prix
20 MPG · $3,350 fuel a year 1990 Pontiac Grand Prix
19 MPG · $3,550 fuel a year 1990 Pontiac Grand Prix Turbo
18 MPG · $4,550 fuel a year
1990 Pontiac Lemans
26 MPG · $2,600 fuel a yearEvery alternative to the 1990 Pontiac Grand Prix Ste Turbo →