Bore, stroke, displacement and compression for all 2 Buick Buick 401ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Buick 401ci · 4.188" × 3.64" · 9:1 | 401 ci | 4.188" × 3.64" | 9:1 | 265 |
| Buick 401ci · 4.188" × 3.64" · 10.25:1 | 401 ci | 4.188" × 3.64" | 10.25:1 | 280–325 |