Model | Year | Engine power | Displacement | Top speed | 0-100 km/h (0-62 mph) |
|---|---|---|---|---|---|
| Cadillac STS | 2011 | 223 kW | 3564 ccm | - | - |
| Cadillac STS | 2008 | 226 kW | 3564 ccm | - | 7.4 s |
| Cadillac STS | 2007 | 190 kW | 3556 ccm | 229 km/h | - |
| Cadillac STS | 2006 | 190 kW | 3563 ccm | 229 km/h | 7.4 s |
| Cadillac STS | 2005 | 189 kW | 3562 ccm | - | 7.4 s |
| Cadillac STS 3.6 V6 | 2011 | 190 kW | 3564 ccm | 230 km/h | 7.4 s |
| Cadillac STS 3.6 V6 | 2010 | 190 kW | 3564 ccm | 230 km/h | 7.4 s |
| Cadillac STS 3.6 V6 | 2009 | 224 kW | 3564 ccm | 230 km/h | 7.4 s |
| Cadillac STS 3.6 V6 | 2007 | 190 kW | 3563 ccm | 230 km/h | 7.4 s |
| Cadillac STS 3.6 V6 | 2005 | 191 kW | 3556 ccm | 229 km/h | 7.4 s |
| Cadillac STS 4.6 | 2008 | 351 kW | 4376 ccm | - | - |
| Cadillac STS 4.6 V8 | 2011 | 240 kW | 4565 ccm | 245 km/h | 6.2 s |
| Cadillac STS 4.6 V8 | 2010 | 240 kW | 4565 ccm | - | 6.2 s |
| Cadillac STS 4.6 V8 | 2009 | 240 kW | 4565 ccm | 250 km/h | 6.2 s |
| Cadillac STS 4.6 V8 | 2008 | 240 kW | 4565 ccm | 250 km/h | 6.5 s |
| Cadillac STS 4.6 V8 | 2007 | 240 kW | 4565 ccm | 250 km/h | 6.2 s |
| Cadillac STS 4.6 V8 | 2006 | 240 kW | 4565 ccm | 250 km/h | 6.2 s |
| Cadillac STS 4.6 V8 | 2005 | 240 kW | 4565 ccm | - | 6.2 s |
| Cadillac STS V6 | 2009 | 226 kW | 3599 ccm | - | - |
| Cadillac STS V6 | 2007 | 191 kW | 3556 ccm | - | - |
