Cadillac XLR 2006 - 2009 4.4 Supercharged V8 443hp
Real standard and upgraded performance figures for the 4.4 Supercharged V8 443hp engine in the Cadillac XLR 2006 - 2009.
Standard vs. upgraded performance for the Cadillac XLR 2006 - 2009 4.4 Supercharged V8 443hp, based on real files we've processed for this exact engine.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 443 | 561 |
| Stage 1 | 480 | 600 |
| Stage 2 | 498 | 619 |
- Make
- Cadillac
- Model
- XLR
- Generation
- 2006 - 2009
- Engine
- 4.4 Supercharged V8 443hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Cadillac XLR 2006 - 2009 4.4 Supercharged V8 443hp?
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 4.4 Supercharged V8 443hp make after tuning?
Standard output is 443 HP / 561 Nm; Stage 1 on this engine typically reaches 480 HP / 600 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Cadillac XLR 2006 - 2009 4.4 Supercharged V8 443hp 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 4.4 Supercharged V8 443hp 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.