Buick Riviera Specs, MPG & Trims by Year
EPA fuel-economy and specification data for the Buick Riviera, model years 1984–1993, 1995–1999. The latest model year is shown first below.
Latest model year: 1999
- Body class
- Midsize Cars
- Drive
- Front-Wheel Drive
- Engine
- 6-cyl, 3.8 L
- Fuel type
- Premium Gasoline
- Configurations
- 1
- Combined MPG
- 19 MPG
- Annual fuel cost
- $4,350
View the full 1999 Buick Riviera specs, MPG and trims
Across all 15 model years, EPA combined ratings span 15–21 MPG.
All model years
| Year | Body class | Combined | Configurations | Annual fuel cost |
|---|---|---|---|---|
| 1999 | Midsize Cars | 19 MPG | 1 | $4,350 |
| 1998 | Midsize Cars | 19 MPG | 1 | $3,550 |
| 1997 | Midsize Cars | 19–20 MPG | 2 | $3,350–$4,350 |
| 1996 | Midsize Cars | 19–21 MPG | 2 | $3,200–$4,350 |
| 1995 | Midsize Cars | 20 MPG | 1 | $3,350 |
| 1993 | Midsize Cars | 20 MPG | 1 | $3,350 |
| 1992 | Midsize Cars | 19 MPG | 1 | $3,550 |
| 1991 | Midsize Cars | 19 MPG | 1 | $3,550 |
| 1990 | Midsize Cars | 19 MPG | 1 | $3,550 |
| 1989 | Midsize Cars | 20 MPG | 1 | $3,350 |
| 1988 | Midsize Cars | 20 MPG | 1 | $3,350 |
| 1987 | Midsize Cars | 19 MPG | 1 | $3,550 |
| 1986 | Midsize Cars | 20 MPG | 1 | $3,350 |
| 1985 | Compact Cars, Midsize Cars | 17–21 MPG | 7 | $3,950–$4,850 |
| 1984 | Compact Cars, Midsize Cars | 15–21 MPG | 9 | $4,200–$4,550 |