Expected gains of +10 BHP and +15 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Vauxhall Signum 2.2i 16v 155hp? A Stage 1 remap can take this 2003 - 2008 petrol engine from 155 BHP to 165 BHP and from 220 Nm to 235 Nm of torque (naturally aspirated). This engine scores 4/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Vauxhall Signum can achieve.
The Vauxhall Signum 2.2i 16v 155hp is a 2.2L naturally aspirated petrol engine producing 155 BHP and 220 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 165 BHP and 235 Nm — a gain of around 10 BHP (6%) and 15 Nm (7%).
This engine has limited remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 1.9 CDTi 100hp | 100 → 140 | +40 | 260 → 330 | +70 | Excellent (8/10) |
| 1.9 CDTi 120hp |
| 120 → 150 |
| +30 |
| 280 → 340 |
| +60 |
| Good (7.5/10) |
| 1.9 CDTi 150hp | 150 → 190 | +40 | 320 → 400 | +80 | Good (7.5/10) |
| 2.0 Turbo 170hp | 170 → 200 | +30 | 265 → 310 | +45 | Good (7/10) |
| 3.0 CDTi 184hp | 184 → 219 | +35 | 400 → 470 | +70 | Good (6.5/10) |
| 2.8 Turbo 230hp | 230 → 270 | +40 | 330 → 390 | +60 | Good (7/10) |
| 2.8 Turbo 250hp | 250 → 290 | +40 | 340 → 400 | +60 | Good (7/10) |
Get a personalised remap quote for your Vauxhall Signum. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.