BHP+25 hp (20%)
Standard
125 hp
Tuned
150 hp
Torque+65 Nm (33%)
Standard
200 Nm
Tuned
265 Nm
Suitability
Good (7.5/10)Gains Profile
Torque-focusedHeadroom
HighSeat Leon 1.4 TSI 125hp ECU Remapping
Considering an ECU remap for your Seat Leon 1.4 TSI 125hp? A Stage 1 remap can take this 1P - 2005 - 2012 petrol engine from 125 BHP to 150 BHP and from 200 Nm to 265 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 Seat Leon can achieve.
How this engine compares
- 57thof 73 Seat Leon engines by power gain
- 28%of the 9,842 engines we hold gain data for see a smaller power increase
- 52%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Seat Leon 1.4 TSI 125hp is a 1.4L turbocharged petrol engine producing 125 BHP and 200 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 150 BHP and 265 Nm — a gain of around 25 BHP (20%) and 65 Nm (32%).
This engine scores highly for remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. 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.
Considerations
!Turbo petrol: fuel quality and cooling can influence repeatable performance.
!Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.