← all 1991 Pontiac Sunbird Convertible trims
1991 Pontiac Sunbird Convertible — 3.1L 6-cyl, Automatic 3-spd, FWD
This 1991 Pontiac Sunbird Convertible (3.1L 6-cyl, Automatic 3-spd, FWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (18 city / 25 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1991 Pontiac Sunbird Convertible trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 2.0L 4-cyl, 5-spd manual, FWD | REGULAR | 24 | $2,600 |
| 2.0L 4-cyl, Automatic 3-spd, FWD | REGULAR | 23 | $2,700 |
| 3.1L 6-cyl, 5-spd manual, FWD | REGULAR | 20 | $3,100 |
EPA fuel type: Regular · class: Subcompact Cars · retrieved 2026-06-14.