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Volkswagen ABA specs: 2.0L (121.1 ci) 4-cylinder, 82.5 x 92.8 mm (3.2480 x 3.6535 in) bore and stroke. Rated 115 hp, 1993–2002. Used in the Volkswagen Jetta.
The Volkswagen EA827 (ABA) 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 8 engines in the EA827 family, the largest at 121.1 ci. 12 factory variants share these dimensions, rated at 115 hp across 1993–2002.
| Displacement | 121.1 ci / 2 L |
|---|---|
| Bore | 3.248" |
| Stroke | 3.6535" |
| Cylinders | 4 |
| Configuration | I4 |
| Compression ratio | 9.6–10.4:1 (published figures vary) |
| Bore/stroke ratio | 0.889 |
| Valvetrain | SOHC |
|---|---|
| Fuel type | gas |
| Advertised HP | 115 hp |
| Years | 1993–2002 |
| Year | Version | HP @ rpm | Torque @ rpm | Comp. |
|---|---|---|---|---|
| 1993 | ABA net | 115 | — | — |
| 1994 | ABA net | 115 | — | — |
| 1995 | ABA net | 115 | — | — |
| 1996 | ABA net | 115 | — | — |
| 1997 | ABA net | 115 | — | — |
| 1998 | ABA net | 115 | — | — |
| 1999 | ABA net | 115 | — | — |
| 2000 | ABA net | 115 | — | — |
| 2001 | ABA net | 115 | — | — |
| 2002 | ABA net | 115 | — | — |
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 |
|---|---|---|
| 1993 | 115 hp | ABA |
| 1994 | 115 hp | ABA |
| 1995 | — | ABA |
| 1995 | 115 hp | ABA |
| 1996 | — | ABA |
| 1996 | 115 hp | ABA |
| 1997 | 115 hp | ABA |
| 1998 | 115 hp | ABA |
| 1999 | 115 hp | ABA |
| 2000 | 115 hp | ABA |
| 2001 | 115 hp | ABA |
| 2002 | 115 hp | ABA |
3 factory vehicles, 1993–2002. Each year opens that model's engine table.