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Volkswagen AWD/AWW specs: 1.8L (109.8 ci) 4-cylinder, 82.5 x 84.2 mm (3.2480 x 3.3150 in) bore and stroke, 9.5:1 compression. Rated 150 hp, 2000–2001.
The Volkswagen AWD/AWW is close to square: 3.248" bore against 3.315" stroke, within 2.0%, which splits the difference between a high-revving layout and a torque layout. The 3.315" stroke does not reach 4,000 ft/min of mean piston speed until about 7,250 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 4 cylinders displaces 27.5 ci (450 cc).
9.5:1 on aluminum heads is in the range that usually runs on pump premium; aluminum sheds heat faster than iron, which makes the same number a little more forgiving.
It is one of 31 engines in the EA888 family, the smallest at 109.8 ci. 2 factory variants share these dimensions, rated at 150 hp across 2000–2001.
| Displacement | 109.8 ci / 1.8 L |
|---|---|
| Bore | 3.248" |
| Stroke | 3.315" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 9.5:1 * |
| Bore/stroke ratio | 0.98 |
* Compression ratio from a single source; not yet cross-verified.
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 150 hp |
| Years | 2000–2001 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 2000 | AWD/AWW net | 150 | — | — |
| 2001 | AWD/AWW net | 150 | — | — |
Factory specification sheet.
| Bore/stroke character | 0.980 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,315 ft/min — conservative for a street engine |
| Displacement per cylinder | 27.4 ci |
| Static compression | 9.5:1 — in the range that usually runs on pump premium |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2000 | 150 hp | AWD/AWW |
| 2001 | 150 hp | AWD/AWW |
2 factory vehicles, 2000–2001. Each year opens that model's engine table.