Audi A8 D4 - 2010 - 2016 4.2 TDI 385hp

Real standard and upgraded performance figures for the 4.2 TDI 385hp engine in the Audi A8 D4 - 2010 - 2016.

The Audi A8 D4 - 2010 - 2016 4.2 TDI 385hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.

Horsepower (HP)Torque (Nm)
Standard385850
Stage 14501050
Stage 24821150
Make
Audi
Model
A8
Generation
D4 - 2010 - 2016
Engine
4.2 TDI 385hp
Fuel type
Turbo-Diesel

Frequently asked questions

Is Stage 1 tuning safe for the Audi A8 D4 - 2010 - 2016 4.2 TDI 385hp?

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 TDI 385hp make after tuning?

Standard output is 385 HP / 850 Nm; Stage 1 on this engine typically reaches 450 HP / 1050 Nm. Exact results can vary slightly with fuel quality and vehicle condition.

How long does a Audi A8 D4 - 2010 - 2016 4.2 TDI 385hp 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 TDI 385hp 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.