Cadillac CTS I (Sigma)
CTS1 2003 – 2007 sedan 6 engines
Engines
| Engine | Code | Fuel | cc | kW | hp | Nm | Years | ECU / TCU | Stage 1 |
|---|---|---|---|---|---|---|---|---|---|
| 2.6 V6 181 | LY9 | Petrol | 2 597 | 135 | 181 | 245 | 2003 – 2005 | — | |
| 2.8 V6 210 | LP1 | Petrol | 2 792 | 157 | 210 | 255 | 2005 – 2007 | — | |
| 3.2 V6 220 | LA3 | Petrol | 3 175 | 164 | 220 | 298 | 2003 – 2004 | — | |
| 3.6 V6 255 | LY7 | Petrol | 3 564 | 190 | 255 | 339 | 2004 – 2007 | — | |
| 5.7 V8 LS6 CTS-V 400 | LS6 | Petrol | 5 665 | 298 | 400 | 529 | 2004 – 2005 |
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| 6.0 V8 LS2 CTS-V 400 | LS2 | Petrol | 5 967 | 298 | 400 | 542 | 2006 – 2007 | 430 hp · 580 Nm |
Figures are typical factory values; the ECU/TCU depends on the exact production date and market. Always identify the unit from the original read before ordering.