Bore, stroke, displacement and compression for all 3 Buick Buick 400ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Buick 400ci · 4.188" × 3.64" · 10.25:1 | 400 ci | 4.188" × 3.64" | 10.25:1 | 325 |
| Buick 400ci · 4.188" × 3.64" · 11:1 | 400 ci | 4.188" × 3.64" | 11:1 | 332 |
| Buick 400ci · 4.04" × 3.9" · 10.25:1 | 400 ci | 4.04" × 3.9" | 10.25:1 | 340–350 |