BHP+10 hp (8%)
Standard
125 hp
Tuned
135 hp
Torque+15 Nm (9%)
Standard
170 Nm
Tuned
185 Nm
Suitability
Moderate (4/10)Gains Profile
BalancedHeadroom
LowSeat Leon 1.8i 20v 125hp ECU Remapping
Considering an ECU remap for your Seat Leon 1.8i 20v 125hp? A Stage 1 remap can take this 1M - 2000 - 2006 petrol engine from 125 BHP to 135 BHP and from 170 Nm to 185 Nm of torque (naturally aspirated). This engine scores 4/10 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
- 67thof 73 Seat Leon engines by power gain
- 2%of the 9,842 engines we hold gain data for see a smaller power increase
- 3%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Seat Leon 1.8i 20v 125hp is a 1.8L naturally aspirated petrol engine producing 125 BHP and 170 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 135 BHP and 185 Nm — a gain of around 10 BHP (8%) and 15 Nm (9%).
This engine has limited 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 limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.
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
!Naturally aspirated engine: gains are usually limited; results vary widely.
Other Leon 1M - 2000 - 2006 Engines
| Engine | BHP | Gain | Torque | Gain |
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