← all 1991 Buick Century trims
1991 Buick Century — 2.5L 4-cyl, Automatic 3-spd, FWD
This 1991 Buick Century (2.5L 4-cyl, Automatic 3-spd, FWD) takes regular (87-octane) gasoline. REGULAR
22
MPG combined (19 city / 28 hwy)
$2,850
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1991 Buick Century trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.3L 6-cyl, Automatic 4-spd, FWD | REGULAR | 20 | $3,100 |
| 3.3L 6-cyl, Automatic 3-spd, FWD | REGULAR | 19 | $3,300 |
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.