← all 1985 Pontiac Bonneville trims
1985 Pontiac Bonneville — 3.8L 6-cyl, Automatic 3-spd, RWD
This 1985 Pontiac Bonneville (3.8L 6-cyl, Automatic 3-spd, RWD) takes regular (87-octane) gasoline. REGULAR
18
MPG combined (16 city / 22 hwy)
$3,450
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1985 Pontiac Bonneville trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.8L 6-cyl, Automatic 3-spd, RWD | REGULAR | 19 | $3,300 |
| 5.0L 8-cyl, Automatic 3-spd, RWD | REGULAR | 17 | $3,650 |
| 5.0L 8-cyl, Automatic 4-spd, RWD | REGULAR | 17 | $3,650 |
| 5.0L 8-cyl, Automatic 3-spd, RWD | REGULAR | 16 | $3,900 |
EPA fuel type: Regular · class: Midsize Cars · retrieved 2026-06-14.