Photo: Buick Riviera by Jukka Peura from Pori, Suomi,cropped and altered by uploader Mr.choppers, CC BY 2.0, via Wikimedia Commons. It shows the model, not always this exact version.
Buick · model year 1984
1984 Buick Riviera Convertible
Compact · Gas · EPA class: Compact Cars
EPA figures · 1984fueleconomy.gov
15MPG combined
13/20MPG city / highway
$4,450fuel a year
592 g CO₂ per mile 3.8 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
- 15 MPG
- City MPG
- 13 MPG
- Highway MPG
- 20 MPG
- Annual fuel cost
- $4,450
- Tailpipe CO₂
- 592 g per mile
- Model year
- 1984
- Body
- Car
- EPA size class
- Compact Cars
- Engine
- 3.8 L 6-cyl turbo
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
More Buick model years
1984 Buick Riviera
15 MPG · $4,450 fuel a year 1984 Buick Riviera
15 MPG · $4,450 fuel a year 1984 Buick Riviera
16 MPG · $4,200 fuel a year 1984 Buick Riviera
21 MPG · $4,550 fuel a year 1984 Buick Riviera
15 MPG · $4,450 fuel a year 1984 Buick Riviera
16 MPG · $4,200 fuel a year 1984 Buick Riviera Convertible
15 MPG · $4,450 fuel a year