Subaru Outback All 2.5i 181hp

Real standard and upgraded performance figures for the 2.5i 181hp engine in the Subaru Outback All.

Below: measured output for the 2.5i 181hp in the Subaru Outback All, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard181239
Stage 1200262
Stage 2209273
Make
Subaru
Model
Outback
Generation
All
Engine
2.5i 181hp
Fuel type
petrol

Frequently asked questions

Is Stage 1 tuning safe for the Subaru Outback All 2.5i 181hp?

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 2.5i 181hp make after tuning?

Standard output is 181 HP / 239 Nm; Stage 1 on this engine typically reaches 200 HP / 262 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Subaru Outback All 2.5i 181hp 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 2.5i 181hp 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.