Considering an ECU remap for your Opel Astra 1.7 DTI 16v 75hp? A Stage 1 remap can take this (G) - 1998 - 2004 diesel engine from 75 BHP to 104 BHP and from 165 Nm to 214 Nm of torque (turbocharged). This engine scores 8/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Opel Astra can achieve.
The Opel Astra 1.7 DTI 16v 75hp is a 1.7L turbocharged diesel engine producing 75 BHP and 165 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 104 BHP and 214 Nm — a gain of around 29 BHP (39%) and 49 Nm (30%).
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: Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.. 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 |
|---|---|---|---|---|---|
| 1.2i 16v 65hp |
| 65 → 70 |
| +5 |
| 110 → 120 |
| +10 |
| Moderate (4/10) |
| 1.7 CDTi 80hp | 80 → 105 | +25 | 170 → 230 | +60 | Excellent (8/10) |
| 2.0 DI 82hp | 82 → 107 | +25 | 185 → 235 | +50 | Good (7.5/10) |
| 1.6i 16v 100hp | 100 → 110 | +10 | 150 → 165 | +15 | Moderate (4.5/10) |
| 2.0 DTI 100hp | 100 → 125 | +25 | 230 → 280 | +50 | Good (7.5/10) |
| 1.8i 16v 115hp | 115 → 125 | +10 | 170 → 185 | +15 | Moderate (4/10) |
| 2.2 DTI 125hp | 125 → 150 | +25 | 280 → 320 | +40 | Good (7/10) |
| 1.8i 16v 125hp | 125 → 135 | +10 | 170 → 195 | +25 | Moderate (4.5/10) |
| 2.0i 16v 136hp | 136 → 146 | +10 | 188 → 203 | +15 | Moderate (4/10) |
| 2.2i 16v 147hp | 147 → 160 | +13 | 203 → 218 | +15 | Moderate (4/10) |
| 2.0i 16v OPC 160hp | 160 → 170 | +10 | 188 → 203 | +15 | Moderate (4/10) |
| 2.0T OPC 200hp | 200 → 235 | +35 | 250 → 300 | +50 | Good (7/10) |
Get a personalised remap quote for your Opel 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.
