1989 Buick Century
5 configurations — EPA fuel economy ratings
| Trim / Variant | City MPG | Hwy MPG | Combined MPG | Fuel | Drive | Engine | Transmission |
|---|---|---|---|---|---|---|---|
| Century | 18 | 25 | 20 | Regular Gasoline | Front-Wheel Drive | 2.8L 6-cyl | Automatic 3-spd |
| Century | 18 | 26 | 21 | Regular Gasoline | Front-Wheel Drive | 2.8L 6-cyl | Automatic 4-spd |
| Century | 18 | 25 | 20 | Regular Gasoline | Front-Wheel Drive | 3.3L 6-cyl | Automatic 3-spd |
| Century | 18 | 26 | 21 | Regular Gasoline | Front-Wheel Drive | 3.3L 6-cyl | Automatic 4-spd |
| Century | 21 | 28 | 23 | Regular Gasoline | Front-Wheel Drive | 2.5L 4-cyl | Automatic 3-spd |