See other engines in this family
Cadillac LA3 specs: 194 ci (3.2L) 6-cylinder, 3.445 x 3.465 in (87.5 x 88 mm) bore and stroke, 10.3:1 compression. Rated 220 hp, 2003–2004.
The Cadillac 194ci (LA3) is close to square: 3.4449" bore against 3.4646" stroke, within 0.6%, which splits the difference between a high-revving layout and a torque layout. The 3.4646" stroke puts mean piston speed at 4,000 ft/min around 6,950 RPM, which is where a production bottom end is generally considered at its limit. Each of the 6 cylinders displaces 32.3 ci (530 cc).
10.3:1 is in the range that usually runs on pump premium.
2 factory variants share these dimensions, rated at 220 hp across 2003–2004.
| Displacement | 194 ci / 3.2 L |
|---|---|
| Bore | 3.4449" * |
| Stroke | 3.4646" * |
| Cylinders | 6 |
| Configuration | V6 |
| Compression ratio | 10.3:1 * |
| Bore/stroke ratio | 0.994 |
* Bore, stroke and compression ratio from a single source; not yet cross-verified.
| Fuel type | gas |
|---|---|
| Advertised HP | 220 hp |
| Years | 2003–2004 |
| Bore/stroke character | 0.994 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,465 ft/min — conservative for a street engine |
| Displacement per cylinder | 32.3 ci |
| Static compression | 10.3:1 — 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 |
|---|---|---|
| 2003 | 220 hp | LA3 |
| 2004 | 220 hp | LA3 |
1 factory vehicle, 2003–2004. Each year opens that model's engine table.