1999 Buick Century: 3.1L · FWD · 4-speed automatic
One configuration of the 1999 Buick Century as listed by our sources. Every figure below carries its source.
| Specification | Value | Source |
|---|---|---|
| Engine | 3.1L 6-cylinder | EPA fueleconomy.gov |
| Displacement | 3.1 L | EPA fueleconomy.gov |
| Cylinders | 6 | EPA fueleconomy.gov |
| Fuel type | Gasoline | EPA fueleconomy.gov |
| Transmission | 4-speed automatic | EPA fueleconomy.gov |
| Drivetrain | FWD | EPA fueleconomy.gov |
| Combined economy | 21 mpg (11.2 L/100 km) | EPA fueleconomy.gov |
| City economy | 17 mpg (13.8 L/100 km) | EPA fueleconomy.gov |
| Highway economy | 26 mpg (9.0 L/100 km) | EPA fueleconomy.gov |
Provenance & verification
- EPA fueleconomy.gov · US Government public data
Source checked: October 19, 2026
Data verified: October 19, 2026