Vauxhall Astra 1.4 Turbo 125hp Remap
Expected gains of +55 BHP and +45 Nm torque
Get Your Free Quote ↓BHP+55 hp (44%)
Standard
125 hp
Tuned
180 hp
Torque+45 Nm (18%)
Standard
245 Nm
Tuned
290 Nm
Suitability
Excellent (8.5/10)Gains Profile
Power-focusedHeadroom
HighVauxhall Astra 1.4 Turbo 125hp ECU Remapping
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.
How this engine compares
- 1stof 42 Vauxhall Astra engines by power gain
- 82%of the 9,842 engines we hold gain data for see a smaller power increase
- 25%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
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.
Considerations
!Turbo petrol: fuel quality and cooling can influence repeatable performance.
Other Astra (K) - 2015 - 2018 Engines
| Engine | BHP | Gain | Torque | Gain |
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