Buick Lucerne 2006 - 2009 4.6 V8 275hp
Real standard and upgraded performance figures for the 4.6 V8 275hp engine in the Buick Lucerne 2006 - 2009.
These are real standard and Stage 1 (and where available, Stage 2) figures for the Buick Lucerne 2006 - 2009 4.6 V8 275hp — not a generic estimate for the model range.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 275 | 400 |
| Stage 1 | 290 | 430 |
| Stage 2 | 297 | 445 |
- Make
- Buick
- Model
- Lucerne
- Generation
- 2006 - 2009
- Engine
- 4.6 V8 275hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Buick Lucerne 2006 - 2009 4.6 V8 275hp?
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 4.6 V8 275hp make after tuning?
Standard output is 275 HP / 400 Nm; Stage 1 on this engine typically reaches 290 HP / 430 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Buick Lucerne 2006 - 2009 4.6 V8 275hp 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 4.6 V8 275hp 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.