Audi S8 2006 - 2009 5.2 FSI V10 450hp

Real standard and upgraded performance figures for the 5.2 FSI V10 450hp engine in the Audi S8 2006 - 2009.

The Audi S8 2006 - 2009 5.2 FSI V10 450hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.

Horsepower (HP)Torque (Nm)
Standard450540
Stage 1475565
Stage 27201000
Make
Audi
Model
S8
Generation
2006 - 2009
Engine
5.2 FSI V10 450hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Audi S8 2006 - 2009 5.2 FSI V10 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 5.2 FSI V10 450hp make after tuning?

Standard output is 450 HP / 540 Nm; Stage 1 on this engine typically reaches 475 HP / 565 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Audi S8 2006 - 2009 5.2 FSI V10 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 5.2 FSI V10 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.