Cadillac Seville All 4.6 STS 305hp
Real standard and upgraded performance figures for the 4.6 STS 305hp engine in the Cadillac Seville All.
This page covers the 4.6 STS 305hp as fitted to the Cadillac Seville All — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 305 | 400 |
| Stage 1 | 325 | 420 |
| Stage 2 | 335 | 430 |
- Make
- Cadillac
- Model
- Seville
- Generation
- All
- Engine
- 4.6 STS 305hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Cadillac Seville All 4.6 STS 305hp?
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 STS 305hp make after tuning?
Standard output is 305 HP / 400 Nm; Stage 1 on this engine typically reaches 325 HP / 420 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Cadillac Seville All 4.6 STS 305hp 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 STS 305hp 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.