← all 1999 Pontiac Bonneville trims
1999 Pontiac Bonneville — 3.8L 6-cyl, Automatic 4-spd, FWD
This 1999 Pontiac Bonneville (3.8L 6-cyl, Automatic 4-spd, FWD) takes regular (87-octane) gasoline. REGULAR
20
MPG combined (17 city / 25 hwy)
$3,100
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1999 Pontiac Bonneville trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.8L 6-cyl, Automatic 4-spd, FWD | PREMIUM | 19 | $4,050 |
EPA fuel type: Regular · class: Large Cars · retrieved 2026-06-14.