Audi EA828 specs: 81 x 86.4 mm (3.1890 x 3.4016 in) bore and stroke. Displacement, compression and factory ratings for each, plus rod ratio and piston speed.
| Displacement | 134.3 ci |
|---|---|
| Cylinders | 5 |
| Bore | 3.189" |
| Stroke | 3.402" |
| Compression | 9.0:1 |
| Advertised power | 220 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 3B, AAN, ABY, ADU | 134.3 ci | 3.189" × 3.4016" | 9:1 | 220 |
This family is represented by a single engine in the database: 134.3 ci, 5 cylinders, a 3.189" × 3.4016" bore and stroke.
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.