Subaru Legacy 2015 - 2018 3.6i 256hp
Real standard and upgraded performance figures for the 3.6i 256hp engine in the Subaru Legacy 2015 - 2018.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Subaru Legacy 2015 - 2018 3.6i 256hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 256 | 335 |
| Stage 1 | 273 | 353 |
| Stage 2 | 281 | 362 |
- Make
- Subaru
- Model
- Legacy
- Generation
- 2015 - 2018
- Engine
- 3.6i 256hp
- Fuel type
- petrol
Frequently asked questions
Is Stage 1 tuning safe for the Subaru Legacy 2015 - 2018 3.6i 256hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the 3.6i 256hp make after tuning?
Standard output is 256 HP / 335 Nm; Stage 1 on this engine typically reaches 273 HP / 353 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Subaru Legacy 2015 - 2018 3.6i 256hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the 3.6i 256hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.