Photo: Pontiac Grand Prix by IFCAR, Public domain, via Wikimedia Commons. It shows the model, not always this exact version.
Pontiac · model year 1984
1984 Pontiac Grand Prix
Midsize · Gas · EPA class: Midsize Cars
EPA figures · 1984fueleconomy.gov
19MPG combined
17/22MPG city / highway
$3,550fuel a year
468 g CO₂ per mile 3.8 L 6-cyl Automatic 3-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
- 19 MPG
- City MPG
- 17 MPG
- Highway MPG
- 22 MPG
- Annual fuel cost
- $3,550
- Tailpipe CO₂
- 468 g per mile
- Model year
- 1984
- Body
- Car
- EPA size class
- Midsize Cars
- Engine
- 3.8 L 6-cyl
- Transmission
- Automatic 3-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More Pontiac model years
1984 Pontiac Firebird
21 MPG · $3,200 fuel a year 1984 Pontiac Firebird
23 MPG · $2,900 fuel a year 1984 Pontiac Firebird
19 MPG · $3,550 fuel a year 1984 Pontiac Firebird
18 MPG · $3,700 fuel a year 1984 Pontiac Firebird
17 MPG · $3,950 fuel a year 1984 Pontiac Firebird
15 MPG · $4,450 fuel a year 1984 Pontiac Grand Prix
15 MPG · $4,450 fuel a year