Buick Century 1998 - 2005 3.1 V6 175hp
Real standard and upgraded performance figures for the 3.1 V6 175hp engine in the Buick Century 1998 - 2005.
This page covers the 3.1 V6 175hp as fitted to the Buick Century 1998 - 2005 — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 175 | 251 |
| Stage 1 | 180 | 280 |
| Stage 2 | 182 | 294 |
- Make
- Buick
- Model
- Century
- Generation
- 1998 - 2005
- Engine
- 3.1 V6 175hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Buick Century 1998 - 2005 3.1 V6 175hp?
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 3.1 V6 175hp make after tuning?
Standard output is 175 HP / 251 Nm; Stage 1 on this engine typically reaches 180 HP / 280 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Buick Century 1998 - 2005 3.1 V6 175hp 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 3.1 V6 175hp 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.