Expected gains of +30 BHP and +50 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Subaru Legacy 2.0 D Boxer 150hp? A Stage 1 remap can take this 2008 - 2014 diesel engine from 150 BHP to 180 BHP and from 350 Nm to 400 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Subaru Legacy can achieve.
The Subaru Legacy 2.0 D Boxer 150hp is a 2.0L turbocharged diesel engine producing 150 BHP and 350 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 180 BHP and 400 Nm — a gain of around 30 BHP (20%) and 50 Nm (14%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
Considerations: 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 |
|---|---|---|---|---|---|
| 2.0i 150hp | 150 → 165 | +15 | 196 → 218 | +22 | Moderate (4.5/10) |
| 2.5 170hp | 170 → 200 | +30 | 230 → 290 | +60 | Moderate (5.5/10) |
| 2.5T GT 265hp | 265 → 275 | +10 | 350 → 370 | +20 | Moderate (5/10) |
Get a personalised remap quote for your Subaru Legacy. 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.