The Cadillac STS (2005-2009) was offered with 4 distinct engine configurations across its trim range.
| Engine | Power | Torque | Transmission | Drive | Top speed | 0-100 km/h | Consumption | Available on |
|---|---|---|---|---|---|---|---|---|
| 4.4L Petrol | 476 hp | 595 Nm | Automatic | Rear Wheel Drive | 250 km/h | 5.0 s | 15.6 l/100km | 1 trim |
| 4.6L Petrol | 325 hp | 427 Nm | Automatic | All Wheel Drive | 250 km/h | 7.0 s | 14.4 l/100km | 1 trim |
| 4.6L Petrol | 325 hp | 427 Nm | Automatic | Rear Wheel Drive | 250 km/h | 6.2 s | 14.4 l/100km | 3 trims |
| 3.6L Petrol | 257 hp | 342 Nm | Automatic | Rear Wheel Drive | 229 km/h | 7.4 s | 12.4 l/100km | 3 trims |
Each row is a distinct mechanical configuration — engine size, power output, transmission, drivetrain and fuel type — deduplicated across equipment trims that share the same engine. Trim-only differences (interior, wheels, options) do not create a separate row.