The Opel Signum (2005-2008) was offered with 13 distinct engine configurations across its trim range.
| Engine | Power | Torque | Transmission | Drive | Top speed | 0-100 km/h | Consumption | Available on |
|---|---|---|---|---|---|---|---|---|
| 2.8L Petrol | 250 hp | 330 Nm | Automatic | Front Wheel Drive | 243 km/h | 8.0 s | 11.2 l/100km | 4 trims |
| 2.8L Petrol | 250 hp | 330 Nm | Manual | Front Wheel Drive | 243 km/h | 7.6 s | 10.6 l/100km | 4 trims |
| 2.8L Petrol | 230 hp | 330 Nm | Automatic | Front Wheel Drive | 243 km/h | 8.0 s | 11.2 l/100km | 3 trims |
| 2.8L Petrol | 230 hp | 330 Nm | Manual | Front Wheel Drive | 243 km/h | 7.6 s | 10.6 l/100km | 3 trims |
| 3.0L Diesel | 184 hp | 400 Nm | Automatic | Front Wheel Drive | 219 km/h | 9.8 s | 7.2 l/100km | 4 trims |
| 3.0L Diesel | 184 hp | 400 Nm | Manual | Front Wheel Drive | 224 km/h | 9.2 s | 7.0 l/100km | 4 trims |
| 2.0L Petrol | 175 hp | 265 Nm | Manual | Front Wheel Drive | 220 km/h | 9.4 s | 8.9 l/100km | 5 trims |
| 2.2L Petrol | 155 hp | 220 Nm | Automatic | Front Wheel Drive | 206 km/h | 11.0 s | 8.3 l/100km | 5 trims |
| 2.2L Petrol | 155 hp | 220 Nm | Manual | Front Wheel Drive | 210 km/h | 9.8 s | 8.1 l/100km | 5 trims |
| 1.9L Diesel | 150 hp | 320 Nm | Automatic | Front Wheel Drive | 205 km/h | 10.7 s | 7.0 l/100km | 4 trims |
| 1.9L Diesel | 150 hp | 320 Nm | Manual | Front Wheel Drive | 209 km/h | 10.5 s | 6.0 l/100km | 4 trims |
| 1.9L Diesel | 120 hp | 280 Nm | Manual | Front Wheel Drive | 193 km/h | 12.0 s | 5.9 l/100km | 4 trims |
| 1.9L Diesel | 100 hp | 260 Nm | Manual | Front Wheel Drive | 180 km/h | 14.0 s | 5.9 l/100km | 1 trim |
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.