1985 Buick Riviera Specs, MPG & Trims
EPA fuel-economy data and specifications for the 1985 Buick Riviera (17–21 MPG combined) across 7 listed configurations.
Overview
- Body class
- Compact Cars, Midsize Cars
- Drive
- Front-Wheel Drive
- Engine
- 8-cyl, 5.0 L; 6-cyl, 3.8 L; 8-cyl, 5.7 L
- Fuel type
- Regular Gasoline, Premium Gasoline, Diesel
- Combined MPG
- 17–21 MPG
- Annual fuel cost
- $3,950–$4,850
- Configurations
- 7
MPG & fuel economy
City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.
| Powertrain | City | Highway | Combined | Annual fuel cost | CO2 |
|---|---|---|---|---|---|
| 8-cyl 5.7 L · Diesel · Front-Wheel Drive | 18 | 26 | 21 | $4,550 | — |
| 6-cyl 3.8 L · Premium Gasoline · Front-Wheel Drive | 14–15 | 22 | 17 | $4,850 | — |
| 8-cyl 5.0 L · Regular Gasoline · Front-Wheel Drive | 15 | 20–21 | 17 | $3,950 | — |
Configurations & engine comparison
Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.
| Configuration / engine | Drive | Transmission | Cyl. | Displ. (L) | Fuel type | City | Hwy | Comb. | Annual cost |
|---|---|---|---|---|---|---|---|---|---|
| Riviera | Front-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Regular Gasoline | 15 | 21 | 17 | $3,950 |
| Riviera | Front-Wheel Drive | Automatic 4-spd | 6 | 3.8 | Premium Gasoline | 15 | 22 | 17 | $4,850 |
| Riviera | Front-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Regular Gasoline | 15 | 20 | 17 | $3,950 |
| Riviera | Front-Wheel Drive | Automatic 4-spd | 8 | 5.7 | Diesel | 18 | 26 | 21 | $4,550 |
| Riviera Convertible | Front-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Regular Gasoline | 15 | 21 | 17 | $3,950 |
| Riviera Convertible | Front-Wheel Drive | Automatic 4-spd | 6 | 3.8 | Premium Gasoline | 14 | 22 | 17 | $4,850 |
| Riviera Convertible | Front-Wheel Drive | Automatic 4-spd | 8 | 5.0 | Regular Gasoline | 15 | 20 | 17 | $3,950 |
Frequently asked questions
What is the combined MPG of the 1985 Buick Riviera?
According to EPA data, the 1985 Buick Riviera is rated at 17–21 MPG combined for its conventional-fuel configurations.
How many cylinders does the 1985 Buick Riviera have?
The EPA data lists 6 and 8 cylinders across its configurations.
What fuel type does the 1985 Buick Riviera use?
It is offered with Regular Gasoline, Premium Gasoline, and Diesel.
What is the annual fuel cost of the 1985 Buick Riviera?
The EPA estimates annual fuel costs ranging from $3,950 to $4,850.