Buick Lacrosse 2005 - 2009 3.6 V6 240hp

Real standard and upgraded performance figures for the 3.6 V6 240hp engine in the Buick Lacrosse 2005 - 2009.

Below: measured output for the 3.6 V6 240hp in the Buick Lacrosse 2005 - 2009, standard vs. remapped, in both horsepower and torque.

Horsepower (HP)Torque (Nm)
Standard240311
Stage 1262339
Stage 2273353
Make
Buick
Model
Lacrosse
Generation
2005 - 2009
Engine
3.6 V6 240hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Buick Lacrosse 2005 - 2009 3.6 V6 240hp?

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 3.6 V6 240hp make after tuning?

Standard output is 240 HP / 311 Nm; Stage 1 on this engine typically reaches 262 HP / 339 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Buick Lacrosse 2005 - 2009 3.6 V6 240hp 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 3.6 V6 240hp 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.