1989 Buick Riviera
US · Midsize Cars
The 1989 Buick Riviera is listed in the US market with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- 3.8L 6-cylinder (FFS)
- Transmission
- 4-speed automatic
- Drivetrain
- FWD
- Fuel
- Gasoline
- Economy
- 20 mpg (11.8 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | 3.8L 6-cylinder (FFS) | |
| Displacement | 3.8 L | |
| Cylinders | 6 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 4 | |
| Drivetrain | FWD | EPA fueleconomy.gov |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 20 mpg (11.8 L/100 km) | EPA fueleconomy.gov |
| City | 17 mpg (13.8 L/100 km) | |
| Highway | 26 mpg (9.0 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
1 configuration listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 3 recall campaigns for this model year. Last checked November 7, 2026.
06E043000: FUEL SYSTEM, GASOLINE
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURED FROM OCTOBER 18, 2005, THROUGH MARCH 21, 2006, SOLD FOR USE ON THE VEHICLES LISTED ABOVE AND ON CERTAIN SCHOOL BUSES. (TO SEE THE SCHOOL BUS ENGINE SIZES, CLICK ON "DOCUMENT SEARCH" AND THEN "BUS…
Remedy: HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 18, 2006. OWNERS MAY CONTACT FRAM CUSTOMER SERVICE AT 1-800-890-2075 (OPTION 1).
Reported May 19, 2006. View on NHTSA
89V055000: SERVICE BRAKES, AIR:ANTILOCK
ONE OR BOTH ABS HYDRAULIC UNIT MOUNTING BOLTS MAY NOT BE PROPERLY SEATED AND COULD LOOSEN.
Remedy: REPLACE BOTH ABS HYDRAULIC UNIT MOUNTING BOLTS.
Reported April 5, 1989. View on NHTSA
89V056000: SERVICE BRAKES, AIR:ANTILOCK
LEFT FRONT BRAKE PIPE MAY CONTACT THE CRUISE CONTROL SERVO BRACKET.
Remedy: REPLACE LEFT FRONT BRAKE PIPE ASSEMBLY.
Reported April 5, 1989. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 21, 2026 · US Government public data
- NHTSA vPIC · retrieved October 21, 2026 · US Government public data
Source checked: October 21, 2026
Data verified: October 21, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 1988 Buick Riviera
Gasoline
3.8L 6-cylinder ((FFS)) · FWD
20 mpg (11.8 L/100 km) - 1990 Buick Riviera
Gasoline
3.8L 6-cylinder ((FFS)) · FWD
19 mpg (12.4 L/100 km)
Frequently asked questions
What engine does the 1989 Buick Riviera have?
3.8L 6-cylinder ((FFS)). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1989 Buick Riviera?
Combined fuel economy is 20 mpg (11.8 L/100 km), as published by the source shown in the specification table.
Is the 1989 Buick Riviera front-wheel, rear-wheel or all-wheel drive?
Drivetrain: FWD.
Are there recalls for the 1989 Buick Riviera?
NHTSA lists 3 recall campaigns for this model year (last checked November 7, 2026). Details are in the Recalls section.