Audi EA897 specs: 83 x 91.4 mm (3.2677 x 3.5984 in) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 181–182.9 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.268" |
| Stroke | 3.598" |
| Compression | 16.0–16.8:1 |
| Advertised power | 218–272 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| EA897 · 3.268" × 3.598" · 16:1 | 182.9 ci | 3.2677" × 3.5984" | 16:1 | 218–272 |
| CAPA | 181 ci | 3.2677" × 3.5984" | 16.8:1 | 240 |
All are undersquare — stroke larger than bore, favouring torque low in the range.
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.