BHP+65 hp (17%)
Standard
385 hp
Tuned
450 hp
Torque+100 Nm (12%)
Standard
850 Nm
Tuned
950 Nm
Suitability
Good (6.5/10)Gains Profile
Power-focusedHeadroom
MediumAudi A8 4.2 TDI 385hp ECU Remapping
Considering an ECU remap for your Audi A8 4.2 TDI 385hp? A Stage 1 remap can take this D4 - 2010 - 2016 diesel engine from 385 BHP to 450 BHP and from 850 Nm to 950 Nm of torque (turbocharged). This engine scores 6.5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi A8 can achieve.
How this engine compares
- 9thof 35 Audi A8 engines by power gain
- 90%of the 9,842 engines we hold gain data for see a smaller power increase
- 79%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Audi A8 4.2 TDI 385hp is a 4.2L turbocharged diesel engine producing 385 BHP and 850 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 450 BHP and 950 Nm — a gain of around 65 BHP (17%) and 100 Nm (12%).
This engine has moderate remap suitability, with gains weighted towards peak power — the improvement is most noticeable at higher RPM. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the ECU is a Bosch EDC17 (likely), and the transmission is manual and dsg/s tronic automatics are common depending on model/engine. some dsg/dual-clutch gearboxes have torque management; calibration may be torque-limited. at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: High tuned torque: check transmission torque capacity and service history.
Fuel economy note: possible improvement with conservative driving.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!High tuned torque: check transmission torque capacity and service history.