1984 Pontiac Bonneville
US · Midsize Cars
The 1984 Pontiac Bonneville is listed in the US market. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 3.8L 6-cylinder (GM-BUICK) CA model), 3.8L 6-cylinder (GM-BUICK), 5.0L 8-cylinder (GM-CHEV) CA model), 5.0L 8-cylinder (GM-CHEV), 5.7L 8-cylinder (350 V8) (DIESEL)
- Transmission
- Automatic
- Fuel
- Varies by configuration: Gasoline, Diesel
- Economy
- 15 mpg (15.7 L/100 km) to 21 mpg (11.2 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.8L 6-cylinder (GM-BUICK) CA model), 3.8L 6-cylinder (GM-BUICK), 5.0L 8-cylinder (GM-CHEV) CA model), 5.0L 8-cylinder (GM-CHEV), 5.7L 8-cylinder (350 V8) (DIESEL) | |
| Displacement | 3.8 L to 5.7 L | |
| Cylinders | 6 to 8 | |
| Fuel type | Varies by configuration: Gasoline, Diesel | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 3 to 4 |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 15 mpg (15.7 L/100 km) to 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| City | 14 mpg (16.8 L/100 km) to 18 mpg (13.1 L/100 km) | |
| Highway | 18 mpg (13.1 L/100 km) to 27 mpg (8.7 L/100 km) |
Our sources do not publish these for this vehicle: Aspiration, Power, Torque, Drivetrain, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
8 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
Recalls
NHTSA lists 2 recall campaigns for this model year. Last checked November 10, 2026.
07E088000: EQUIPMENT
CERTAIN HONEYWELL FRAM RACING BRAND HP4 AND HP8 OIL FILTERS THAT WERE MANUFACTURED FROM MAY 25, 2006, THROUGH SEPTEMBER 14, 2007, AND SOLD FOR USE AS REPLACEMENT EQUIPMENT FOR VEHICLES LIST ABOVE. THE AFFECTED FILTERS ARE MARKED WITH A DATE CODE A61451 THROUGH A72571 SEQUENTIALLY. THE DATE CODE AND PART NUMBER APPEAR ON THE FILTER HOUSING. FRAM RACING HP4 AND HP8 OIL FILTERS NOT BEARING A…
Remedy: HONEYWELL WILL REPLACE THE AFFECTED OIL FILTERS FREE OF CHARGE. THE RECALL BEGAN DURING NOVEMBER 2007. OWNERS CAN CONTACT FRAM CUSTOMER SERVICE TOLL-FREE AT 1-800-890-2075.
Reported October 24, 2007. View on NHTSA
89V102000: VEHICLE SPEED CONTROL
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF).
Remedy: INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.
Reported June 16, 1989. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved October 25, 2026 · US Government public data
- NHTSA vPIC · retrieved October 25, 2026 · US Government public data
Source checked: October 25, 2026
Data verified: October 25, 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
- 1985 Pontiac Bonneville
Gasoline
Varies by configuration: 3.8L 6-cylinder ((FFS) CA model), 5.0L 8-cylinder ((GM-CHEV) (FFS) CA model), 3.8L 6-cylinder ((FFS)), 5.0L 8-cylinder ((GM-CHEV) (FFS)) · RWD
19 mpg (12.4 L/100 km) to 16 mpg (14.7 L/100 km)
Frequently asked questions
What engine does the 1984 Pontiac Bonneville have?
Varies by configuration: 3.8L 6-cylinder ((GM-BUICK) CA model), 3.8L 6-cylinder ((GM-BUICK)), 5.0L 8-cylinder ((GM-CHEV) CA model), 5.0L 8-cylinder ((GM-CHEV)), 5.7L 8-cylinder ((350 V8) (DIESEL)). Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 1984 Pontiac Bonneville?
Combined fuel economy is 15 mpg (15.7 L/100 km) to 21 mpg (11.2 L/100 km), as published by the source shown in the specification table.
Are there recalls for the 1984 Pontiac Bonneville?
NHTSA lists 2 recall campaigns for this model year (last checked November 10, 2026). Details are in the Recalls section.