← all 1997 Buick Regal/Century trims
1997 Buick Regal/Century — 3.8L 6-cyl, Automatic 4-spd, FWD
This 1997 Buick Regal/Century (3.8L 6-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (17 city / 27 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1997 Buick Regal/Century trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.1L 6-cyl, Automatic 4-spd, FWD | REGULAR | 21 | $2,950 |
| 3.8L 6-cyl, Automatic 4-spd, FWD | PREMIUM | 19 | $4,050 |
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.