Cadillac STS 2006 - 2010 4.6 V8 320hp
Real standard and upgraded performance figures for the 4.6 V8 320hp engine in the Cadillac STS 2006 - 2010.
The Cadillac STS 2006 - 2010 4.6 V8 320hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 320 | 427 |
| Stage 1 | 340 | 445 |
| Stage 2 | 350 | 454 |
- Make
- Cadillac
- Model
- STS
- Generation
- 2006 - 2010
- Engine
- 4.6 V8 320hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Cadillac STS 2006 - 2010 4.6 V8 320hp?
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 320hp make after tuning?
Standard output is 320 HP / 427 Nm; Stage 1 on this engine typically reaches 340 HP / 445 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Cadillac STS 2006 - 2010 4.6 V8 320hp 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 320hp 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.