Audi A4 B8 - 2012 - 2015 RS4 4.2 V8 FSI 450hp
Real standard and upgraded performance figures for the RS4 4.2 V8 FSI 450hp engine in the Audi A4 B8 - 2012 - 2015.
This page covers the RS4 4.2 V8 FSI 450hp as fitted to the Audi A4 B8 - 2012 - 2015 — the figures below reflect that specific engine, not the model as a whole.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 450 | 430 |
| Stage 1 | 470 | 450 |
| Stage 2 | 480 | 460 |
- Make
- Audi
- Model
- A4
- Generation
- B8 - 2012 - 2015
- Engine
- RS4 4.2 V8 FSI 450hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Audi A4 B8 - 2012 - 2015 RS4 4.2 V8 FSI 450hp?
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 RS4 4.2 V8 FSI 450hp make after tuning?
Standard output is 450 HP / 430 Nm; Stage 1 on this engine typically reaches 470 HP / 450 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Audi A4 B8 - 2012 - 2015 RS4 4.2 V8 FSI 450hp 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 RS4 4.2 V8 FSI 450hp 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.