Bore, stroke, displacement and compression for all 4 Oldsmobile Oldsmobile 231ci engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Oldsm 1982 231 115HP | 231 ci | 3.8" × 3.4" | 9.321:1 | 115 |
| Oldsmobile 231ci · 3.800" × 3.400" · 9.5:1 | 231 ci | 3.8" × 3.4" | 9.5:1 | 135–150 |
| Oldsmobile 231ci · 3.800" × 3.400" · 9.8:1 | 231 ci | 3.8" × 3.4" | 9.8:1 | 165–205 |
| Oldsm 1993 231 170HP | 231 ci | 3.8" × 3.4" | 10.3:1 | 170 |