BHP+70 hp (16%)
Standard
450 hp
Tuned
520 hp
Torque+165 Nm (29%)
Standard
560 Nm
Tuned
725 Nm
Suitability
Good (7/10)Gains Profile
Torque-focusedHeadroom
HighAudi RS6 4.2 Biturbo 450hp ECU Remapping
Considering an ECU remap for your Audi RS6 4.2 Biturbo 450hp? A Stage 1 remap can take this C5 - 2002 - 2004 petrol engine from 450 BHP to 520 BHP and from 560 Nm to 725 Nm of torque (turbocharged). This engine scores 7/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Audi RS6 can achieve.
How this engine compares
- 4thof 8 Audi RS6 engines by power gain
- 92%of the 9,842 engines we hold gain data for see a smaller power increase
- 94%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Audi RS6 4.2 Biturbo 450hp is a 4.2L turbocharged petrol engine producing 450 BHP and 560 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 520 BHP and 725 Nm — a gain of around 70 BHP (16%) and 165 Nm (29%).
This engine has moderate remap suitability, with gains weighted towards torque — you will notice the difference most strongly in mid-range pulling power and in-gear acceleration. The tuning headroom is classified as high, based on the percentage gain available from the factory output.
From a technical perspective, 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: Turbo petrol: fuel quality and cooling can influence repeatable performance.. High tuned torque: check transmission torque capacity and service history.. Large torque increase: drivetrain condition (clutch/gearbox) becomes more important at this level.
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
!Turbo petrol: fuel quality and cooling can influence repeatable performance.