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Volkswagen AEG / AVH / AZG / BEV specs: 2.0L (121 ci) 4-cylinder, 82.5 x 92.8 mm (3.2480 x 3.6535 in) bore and stroke. Rated 115 hp, 1998–2005.
The Volkswagen AEG / AVH / AZG / BEV is undersquare — the 3.6535" stroke exceeds the 3.248" bore by 11.1% — a layout that trades peak RPM for leverage and torque low in the range. The 3.6535" stroke puts mean piston speed at 4,000 ft/min around 6,550 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 30.3 ci (496 cc).
It is one of 31 engines in the EA888 family, the largest at 121 ci. 8 factory variants share these dimensions, rated at 115 hp across 1998–2005.
| Displacement | 121 ci / 2 L |
|---|---|
| Bore | 3.248" |
| Stroke | 3.6535" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 10.3–10.5:1 (published figures vary) |
| Bore/stroke ratio | 0.889 |
| Block material | cast iron |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 115 hp |
| Years | 1998–2005 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 2005 | AEG/AVH/AZG net | 115 | 122 lb-ft | — |
Factory specification sheet.
| Bore/stroke character | 0.889 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,654 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 30.3 ci |
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 |
|---|---|---|
| 1998 | — | AEG / AVH / AZG / BEV |
| 1999 | — | AEG / AVH / AZG / BEV |
| 2000 | — | AEG / AVH / AZG / BEV |
| 2001 | — | AEG / AVH / AZG / BEV |
| 2002 | — | AEG / AVH / AZG / BEV |
| 2003 | — | AEG / AVH / AZG / BEV |
| 2004 | — | AEG / AVH / AZG / BEV |
| 2005 | 115 hp | AEG / AVH / AZG / BEV |
3 factory vehicles, 1998–2006. Each year opens that model's engine table.