Expected gains of +25 BHP and +50 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Vauxhall Astra 1.0 Turbo 105hp? A Stage 1 remap can take this (K) - 2015 - 2018 petrol engine from 105 BHP to 130 BHP and from 170 Nm to 220 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 1.0 Turbo 105hp is a 1.0L turbocharged petrol engine producing 105 BHP and 170 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 130 BHP and 220 Nm — a gain of around 25 BHP (24%) and 50 Nm (29%).
This engine scores highly for 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 high, based on the percentage gain available from the factory output.
Considerations: Turbo petrol: fuel quality and cooling can influence repeatable performance.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
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) |
| 1.6 CDTi 110hp | 110 → 140 | +30 | 300 → 360 | +60 | Excellent (8/10) |
| 1.4 Turbo 125hp | 125 → 180 | +55 | 245 → 290 | +45 | Excellent (8.5/10) |
| 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.