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
Midsize · Front-Wheel Drive · Diesel · EPA class: Midsize Cars
EPA figures · 1985fueleconomy.gov
21MPG combined
18/26MPG city / highway
$4,550fuel a year
485 g CO₂ per mile 5.7 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
- 21 MPG
- City MPG
- 18 MPG
- Highway MPG
- 26 MPG
- Annual fuel cost
- $4,550
- Tailpipe CO₂
- 485 g per mile
- Model year
- 1985
- Body
- Car
- EPA size class
- Midsize Cars
- Drive
- Front-Wheel Drive
- Engine
- 5.7 L 8-cyl
- Transmission
- Automatic 4-spd
- Fuel
- Diesel
Efficiency
Running cost
The car
Powertrain
More Buick model years
1985 Buick Regal
19 MPG · $3,550 fuel a year 1985 Buick Regal
23 MPG · $4,150 fuel a year 1985 Buick Regal
21 MPG · $4,550 fuel a year 1985 Buick Riviera
17 MPG · $3,950 fuel a year 1985 Buick Riviera
17 MPG · $4,850 fuel a year 1985 Buick Riviera
17 MPG · $3,950 fuel a year 1985 Buick Riviera Convertible
17 MPG · $3,950 fuel a year