1984 Buick Regal — 4.3L 6-cyl, Automatic 4-spd
This 1984 Buick Regal (4.3L 6-cyl, Automatic 4-spd) runs on diesel. DIESEL
22
MPG combined (19 city / 29 hwy)
$3,550
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
Other 1984 Buick Regal trims
| Trim | Fuel | MPG | Fuel/yr |
|---|---|---|---|
| 3.8L 6-cyl, Automatic 3-spd | REGULAR | 19 | $3,300 |
| 3.8L 6-cyl, Automatic 3-spd | REGULAR | 18 | $3,450 |
| 4.1L 6-cyl, Automatic 4-spd | REGULAR | 17 | $3,650 |
| 4.1L 6-cyl, Automatic 4-spd | REGULAR | 17 | $3,650 |
| 3.8L 6-cyl, Automatic 4-spd | REGULAR | 16 | $3,900 |
| 3.8L 6-cyl, Automatic 4-spd | REGULAR | 16 | $3,900 |
| 4.3L 6-cyl, Automatic 4-spd | DIESEL | 23 | $3,400 |
| 5.7L 8-cyl, Automatic 4-spd | DIESEL | 21 | $3,700 |
EPA fuel type: Diesel · class: Midsize Cars · retrieved 2026-06-14.