Audi R8 2007 - 2015 4.2 FSI 420hp

Real standard and upgraded performance figures for the 4.2 FSI 420hp engine in the Audi R8 2007 - 2015.

This page covers the 4.2 FSI 420hp as fitted to the Audi R8 2007 - 2015 — the figures below reflect that specific engine, not the model as a whole.

Horsepower (HP)Torque (Nm)
Standard420430
Stage 1440455
Stage 2450467
Make
Audi
Model
R8
Generation
2007 - 2015
Engine
4.2 FSI 420hp
Fuel type
Petrol

Frequently asked questions

Is Stage 1 tuning safe for the Audi R8 2007 - 2015 4.2 FSI 420hp?

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 4.2 FSI 420hp make after tuning?

Standard output is 420 HP / 430 Nm; Stage 1 on this engine typically reaches 440 HP / 455 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Audi R8 2007 - 2015 4.2 FSI 420hp 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 4.2 FSI 420hp 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.