BHP+29 hp (39%)
Standard
75 hp
Tuned
104 hp
Torque+49 Nm (30%)
Standard
165 Nm
Tuned
214 Nm
Suitability
Excellent (8/10)Gains Profile
Power-focusedHeadroom
HighOpel Astra 1.7 DTI 16v 75hp ECU Remapping
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.
How this engine compares
- 27thof 56 Opel Astra engines by power gain
- 38%of the 9,842 engines we hold gain data for see a smaller power increase
- 27%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
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.
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.