1984 Buick Century: 4.3L · 3-speed automatic
One configuration of the 1984 Buick Century as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 4.3L 6-cylinder ((DIESEL)) | EPA fueleconomy.gov |
| Displacement | 4.3 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Diesel | EPA fueleconomy.gov |
| Transmission | 3-speed automatic | EPA fueleconomy.gov |
| Combined economy | 25 mpg (9.4 L/100 km) | EPA fueleconomy.gov |
| City economy | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 31 mpg (7.6 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 24, 2026
Data verified: October 25, 2026