Expected gains of +40 BHP and +50 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Vauxhall Astra 1.4 Turbo 120hp? A Stage 1 remap can take this (J) - 2009 - 2015 petrol engine from 120 BHP to 160 BHP and from 200 Nm to 250 Nm of torque (turbocharged). This engine scores 7.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Vauxhall Astra can achieve.
Comparisons are calculated from our own recorded Stage 1 figures.
The Vauxhall Astra 1.4 Turbo 120hp is a 1.4L turbocharged petrol engine producing 120 BHP and 200 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 160 BHP and 250 Nm — a gain of around 40 BHP (33%) and 50 Nm (25%).
This engine scores highly for remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.
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 |
|---|
| 1.4 Turbo 140hp | 140 → 160 | +20 | 200 → 250 | +50 | Good (7/10) |
| 1.6 Turbo 200hp | 200 → 240 | +40 | 280 → 350 | +70 | Good (7.5/10) |
Get a personalised remap quote for your Vauxhall Astra. 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.