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 1985
1985 Buick Riviera Convertible
Compact · Front-Wheel Drive · Gas · EPA class: Compact Cars
EPA figures · 1985fueleconomy.gov
17MPG combined
15/20MPG city / highway
$3,950fuel a year
523 g CO₂ per mile 5.0 L 8-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
- 17 MPG
- City MPG
- 15 MPG
- Highway MPG
- 20 MPG
- Annual fuel cost
- $3,950
- Tailpipe CO₂
- 523 g per mile
- Model year
- 1985
- Body
- Car
- EPA size class
- Compact Cars
- Drive
- Front-Wheel Drive
- Engine
- 5.0 L 8-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain