Bore, stroke, displacement and compression for all 2 Porsche 193ci engines, compared side by side. Plus rod ratio and head specs where published.
| Displacement | 193 ci |
|---|---|
| Cylinders | 6 |
| Advertised power | 207–214 hp |
| Years | 1984–1989 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 930/21 | 193 ci | — | — | 207 |
| 930/25 | 193 ci | — | — | 214 |
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.