Expected gains of +55 BHP and +45 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Vauxhall Astra 1.4 Turbo 125hp? A Stage 1 remap can take this (K) - 2015 - 2018 petrol engine from 125 BHP to 180 BHP and from 245 Nm to 290 Nm of torque (turbocharged). This engine scores 8.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Vauxhall Astra can achieve.
The Vauxhall Astra 1.4 Turbo 125hp is a 1.4L turbocharged petrol engine producing 125 BHP and 245 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 180 BHP and 290 Nm — a gain of around 55 BHP (44%) and 45 Nm (18%).
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 |
|---|---|---|---|---|---|
| 1.6 CDTi 95hp | 95 → 140 | +45 | 280 → 360 | +80 | Excellent (8.5/10) |
| 1.0 Turbo 105hp | 105 → 130 | +25 | 170 → 220 | +50 | Good (7.5/10) |
| 1.6 CDTi 110hp | 110 → 140 | +30 | 300 → 360 | +60 | Excellent (8/10) |
| 1.6 CDTi 136hp | 136 → 160 | +24 | 320 → 380 | +60 | Good (7/10) |
| 1.4 Turbo 150hp | 150 → 180 | +30 | 245 → 290 | +45 | Good (7/10) |
| 1.6 CDTi Bi-Turbo 160hp | 160 → 190 | +30 | 350 → 400 | +50 | Good (7/10) |
| 1.6 Turbo 200hp | 200 → 225 | +25 | 300 → 360 | +60 | Good (7/10) |
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.