
Considering an ECU remap for your Vauxhall Omega 2.5 DTI 150hp? A Stage 1 remap can take this (B) 1997 - 2003 diesel engine from 150 BHP to 175 BHP and from 300 Nm to 350 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Vauxhall Omega can achieve.
The Vauxhall Omega 2.5 DTI 150hp is a 2.5L turbocharged diesel engine producing 150 BHP and 300 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 175 BHP and 350 Nm — a gain of around 25 BHP (17%) and 50 Nm (17%).
This engine has moderate remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: Older diesel: injector, turbo and intake condition can affect results; ensure maintenance is up to date.
Fuel economy note: possible improvement with conservative driving.
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 |
|---|---|---|---|---|---|
| 2.0 DTI 100hp | 100 → 125 | +25 | 205 → 265 | +60 | Good (7.5/10) |
| 2.2 DTI 120hp | 120 → 145 | +25 | 280 → 340 | +60 | Good (7.5/10) |
Get a personalised remap quote for your Vauxhall Omega. 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.