Photo: Buick Century by Charles01, CC BY-SA 3.0, via Wikimedia Commons. It shows the model, not always this exact version.
Buick · model year 1984
1984 Buick Century
Midsize · Gas · EPA class: Midsize Cars
EPA figures · 1984fueleconomy.gov
19MPG combined
16/23MPG city / highway
$3,550fuel a year
468 g CO₂ per mile 3.8 L 6-cyl 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
- 19 MPG
- City MPG
- 16 MPG
- Highway MPG
- 23 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 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
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20 MPG · $3,350 fuel a year 1984 Buick Century
23 MPG · $2,900 fuel a year 1984 Buick Century
20 MPG · $3,350 fuel a year 1984 Buick Century
25 MPG · $3,850 fuel a year